Migrate files from sli-plugins

Migrate sli-plugins repo into new
directory "plugins".

Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>

56 files changed, 6994 insertions, 0 deletions

diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiCallNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiCallNode.java
new file mode 100644
index 000000000..620df282f
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiCallNode.java
@@ -0,0 +1,484 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfapicall;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.stream.JsonWriter;
+
+import javax.ws.rs.core.UriBuilder;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.net.SocketException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.dom4j.Document;
+import org.dom4j.DocumentException;
+import org.dom4j.DocumentHelper;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+import org.onap.ccsdk.sli.plugins.restapicall.Format;
+import org.onap.ccsdk.sli.plugins.restapicall.HttpResponse;
+import org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode;
+import org.onap.ccsdk.sli.plugins.restapicall.XmlParser;
+import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DataFormatSerializer;
+import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DataFormatSerializerContext;
+import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerFactory;
+import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.Listener;
+import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.MdsalSerializerHelper;
+import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.SerializerHelper;
+import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.YangParameters;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeSerializer;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeSerializer;
+import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
+import org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserIdentifier;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static com.google.common.base.Strings.repeat;
+import static java.lang.String.format;
+import static java.lang.String.valueOf;
+import static org.apache.commons.lang3.StringUtils.join;
+import static org.onap.ccsdk.sli.plugins.restapicall.HttpMethod.DELETE;
+import static org.onap.ccsdk.sli.plugins.restapicall.HttpMethod.GET;
+import static org.onap.ccsdk.sli.plugins.restapicall.HttpMethod.PATCH;
+import static org.onap.ccsdk.sli.plugins.restapicall.HttpMethod.PUT;
+import static org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode.parseParam;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.ATTEMPTS_MSG;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.COLON;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.COMMA;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.COMM_FAIL;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.HEADER;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.HTTP_REQ;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.HTTP_RES;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.MAX_RETRY_ERR;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.NO_MORE_RETRY;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.REQ_ERR;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.REST_API_URL;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RES_CODE;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RES_MSG;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RES_PRE;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RETRY_COUNT;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RETRY_FAIL;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.UPDATED_URL;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.getSchemaCtxFromDir;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.getUpdatedXmlReq;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.getYangParameters;
+import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.parseUrl;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfListenerFactory.instance;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.FORMAT_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.UTF_HEADER;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_TREE_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getXmlWriter;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getModuleNamespace;
+import static org.osgi.framework.FrameworkUtil.getBundle;
+
+/**
+ * Representation of a plugin to enable RESTCONF based CRUD operations from DG.
+ */
+public class RestconfApiCallNode implements SvcLogicJavaPlugin {
+
+    /**
+     * Logger for the restconf api call node class.
+     */
+    private static final Logger log = LoggerFactory.getLogger(
+            RestconfApiCallNode.class);
+
+    /**
+     * Rest api call node service instance
+     */
+    private RestapiCallNode restapiCallNode;
+
+    /**
+     * Creates an instance of restconf api call node with restapi call node.
+     *
+     * @param r restapi call node
+     */
+    public RestconfApiCallNode(RestapiCallNode r) {
+        this.restapiCallNode = r;
+    }
+
+    /**
+     * Returns the restapi call node instance.
+     * @return
+     */
+    public RestapiCallNode getRestapiCallNode() {
+        return restapiCallNode;
+    }
+
+    /**
+     * Sends the restconf request using the parameters map and the memory
+     * context. And this method allows the directed graphs to interact with
+     * the restconf api call node
+     *
+     * @param paramMap parameters map
+     * @param ctx      service logic context
+     * @throws SvcLogicException when svc logic exception occurs
+     */
+    public void sendRequest(Map<String, String> paramMap, SvcLogicContext ctx)
+            throws SvcLogicException {
+        sendRequest(paramMap, ctx, 0);
+    }
+
+    /**
+     * Sends the restconf request using the parameters map and the memory
+     * context along with the retry count.
+     *
+     * @param paramMap   parameters map
+     * @param ctx        service logic context
+     * @param retryCount number of retry counts
+     * @throws SvcLogicException when svc logic exception occurs
+     */
+    public void sendRequest(Map<String, String> paramMap, SvcLogicContext ctx,
+                            Integer retryCount) throws SvcLogicException {
+        RestapiCallNode rest = getRestapiCallNode();
+        HttpResponse r = new HttpResponse();
+        try {
+            YangParameters p = getYangParameters(paramMap);
+
+            String pp = p.responsePrefix != null ? p.responsePrefix + '.' : "";
+            Map<String, String> props = new HashMap<>((Map)ctx.toProperties());
+            String uri = parseUrl(p.restapiUrl, p.httpMethod);
+            InstanceIdentifierContext<?> insIdCtx = getInsIdCtx(p, uri);
+
+            String req = null;
+            if (p.httpMethod != GET && p.httpMethod != DELETE) {
+                req = serializeRequest(props, p, uri, insIdCtx);
+                if (p.httpMethod == PUT || p.httpMethod == PATCH) {
+                    updateReq(req, p, insIdCtx);
+                }
+            }
+            if (req == null && p.requestBody != null) {
+                req = p.requestBody;
+            }
+
+            r = rest.sendHttpRequest(req, p);
+            if (p.returnRequestPayload && req != null) {
+                ctx.setAttribute(pp + HTTP_REQ, req);
+            }
+
+            String response = getResponse(ctx, p, pp, r);
+            if (response != null) {
+                try {
+                    Map<String, String> resProp = serializeResponse(
+                            p, uri, response, insIdCtx);
+                    for (Map.Entry<String, String> pro : resProp.entrySet()) {
+                        ctx.setAttribute(pro.getKey(), pro.getValue());
+                    }
+                } catch (SvcLogicException e) {
+                    convertToNormalRes(ctx, p, pp, response);
+                }
+            }
+        } catch (SvcLogicException e) {
+            boolean shouldRetry = false;
+            if (e.getCause().getCause() instanceof SocketException) {
+                shouldRetry = true;
+            }
+
+            log.error(REQ_ERR + e.getMessage(), e);
+            String prefix = parseParam(paramMap, RES_PRE, false, null);
+            setFailureResponseStatus(ctx, prefix, e.getMessage());
+        }
+
+        if (r != null && r.code >= 300) {
+            throw new SvcLogicException(valueOf(r.code) +
+                                                COLON + " " + r.message);
+        }
+    }
+
+    private void convertToNormalRes(SvcLogicContext ctx ,
+                                    YangParameters p, String pp, String body)
+            throws SvcLogicException {
+        if (p.convertResponse) {
+            Map<String, String> mm = null;
+            if (p.format == Format.XML) {
+                mm = XmlParser.convertToProperties(body, p.listNameList);
+            } else if (p.format == Format.JSON) {
+                mm = org.onap.ccsdk.sli.plugins.restapicall.JsonParser
+                        .convertToProperties(body);
+            }
+
+            if (mm != null) {
+                for (Map.Entry<String, String> entry : mm.entrySet()) {
+                    ctx.setAttribute(pp + entry.getKey(),
+                                     entry.getValue());
+                }
+            }
+        }
+    }
+
+    /**
+     * Serializes the request message to JSON or XML from the properties.
+     *
+     * @param properties properties
+     * @param params     YANG parameters
+     * @param uri        URI
+     * @param insIdCtx   instance identifier context
+     * @return JSON or XML message to be sent
+     * @throws SvcLogicException when serializing the request fails
+     */
+     public String serializeRequest(Map<String, String> properties,
+                                    YangParameters params, String uri,
+                                    InstanceIdentifierContext insIdCtx)
+             throws SvcLogicException {
+        PropertiesNodeSerializer propSer = new MdsalPropertiesNodeSerializer(
+                insIdCtx.getSchemaNode(), insIdCtx.getSchemaContext(), uri);
+        DataFormatSerializerContext serCtx = new DataFormatSerializerContext(
+                null, uri, null, propSer);
+        DataFormatSerializer ser = DfSerializerFactory.instance()
+                .getSerializer(serCtx, params);
+         //TODO: Handling of XML annotations
+        return ser.encode(properties, null);
+    }
+
+    /**
+     * Serializes the response message from JSON or XML to the properties.
+     *
+     * @param params   YANG parameters
+     * @param uri      URI
+     * @param response response message
+     * @param insIdCtx instance identifier context
+     * @return response message as properties
+     * @throws SvcLogicException when serializing the response fails
+     */
+    public Map<String, String> serializeResponse(YangParameters params,
+                                                 String uri, String response,
+                                                 InstanceIdentifierContext insIdCtx)
+            throws SvcLogicException {
+        PropertiesNodeSerializer propSer = new MdsalPropertiesNodeSerializer(
+                insIdCtx.getSchemaNode(), insIdCtx.getSchemaContext(), uri);
+        SerializerHelper helper = new MdsalSerializerHelper(
+                insIdCtx.getSchemaNode(), insIdCtx.getSchemaContext(), uri);
+        Listener listener = instance().getListener(helper, params);
+        DataFormatSerializerContext serCtx = new DataFormatSerializerContext(
+                listener, uri, null, propSer);
+        DataFormatSerializer ser = DfSerializerFactory.instance()
+                .getSerializer(serCtx, params);
+        return ser.decode(response);
+    }
+
+    /**
+     * Returns instance identifier context for a uri using the schema context.
+     *
+     * @param params YANG parameters
+     * @param uri    URI
+     * @return instance identifier context
+     * @throws SvcLogicException when getting schema context fails
+     */
+    private InstanceIdentifierContext<?> getInsIdCtx(YangParameters params,
+                                                     String uri)
+            throws SvcLogicException {
+        SchemaContext context = getSchemaContext(params);
+        return ParserIdentifier.toInstanceIdentifier(uri, context, null);
+    }
+
+    /**
+     * Returns the global schema context or schema context of particular YANG
+     * files present in a directory path.
+     *
+     * @param params YANG parameters
+     * @return schema context
+     * @throws SvcLogicException when schema context fetching fails
+     */
+    private SchemaContext getSchemaContext(YangParameters params)
+            throws SvcLogicException {
+        if (params.dirPath != null) {
+            return getSchemaCtxFromDir(params.dirPath);
+        }
+        BundleContext bc = getBundle(SchemaContext.class).getBundleContext();
+        SchemaContext schemaContext = null;
+        if (bc != null) {
+            ServiceReference reference = bc.getServiceReference(
+                    SchemaContext.class);
+            if (reference != null) {
+                schemaContext = (SchemaContext) bc.getService(reference);
+            }
+        }
+        return schemaContext;
+    }
+
+    /**
+     * Returns the response message body of a http response message.
+     *
+     * @param ctx    svc logic context
+     * @param params parameters
+     * @param pre    prefix to be appended
+     * @param res    http response
+     * @return response message body
+     */
+    public String getResponse(SvcLogicContext ctx, YangParameters params,
+                               String pre, HttpResponse res) {
+        ctx.setAttribute(pre + RES_CODE, valueOf(res.code));
+        ctx.setAttribute(pre + RES_MSG, res.message);
+
+        if (params.dumpHeaders && res.headers != null) {
+            for (Map.Entry<String, List<String>> a : res.headers.entrySet()) {
+                ctx.setAttribute(pre + HEADER + a.getKey(),
+                                 join(a.getValue(), COMMA));
+            }
+        }
+
+        if (res.body != null && res.body.trim().length() > 0) {
+            ctx.setAttribute(pre + HTTP_RES, res.body);
+            return res.body;
+        }
+        return null;
+    }
+
+    /**
+     * Sets the failure response status in the context memory.
+     *
+     * @param ctx    service logic context
+     * @param prefix prefix to be added
+     * @param errMsg error message
+     */
+    private void setFailureResponseStatus(SvcLogicContext ctx, String prefix,
+                                          String errMsg) {
+        HttpResponse res = new HttpResponse();
+        res.code = 500;
+        res.message = errMsg;
+        ctx.setAttribute(prefix + RES_CODE, valueOf(res.code));
+        ctx.setAttribute(prefix + RES_MSG, res.message);
+    }
+
+    /**
+     * Updates request message for JSON and XML data format, when the HTTP
+     * method points it as PUT or PATCH.
+     *
+     * @param req      current request message
+     * @param p        YANG parameters
+     * @param insIdCtx instance identifier context
+     * @return update request message
+     * @throws SvcLogicException when the data format type is wrong
+     */
+    public String updateReq(String req, YangParameters p,
+                             InstanceIdentifierContext<?> insIdCtx)
+            throws SvcLogicException {
+
+        SchemaNode schemaNode = insIdCtx.getSchemaNode();
+        Namespace modNs = getModuleNamespace(schemaNode.getQName(),
+                                             insIdCtx.getSchemaContext());
+        String nodeName = schemaNode.getQName().getLocalName();
+
+        switch (p.format) {
+            case JSON:
+                return getUpdatedJsonReq(req, nodeName, modNs.moduleName());
+
+            case XML:
+                return getXmlReqForPutOp(req, nodeName, modNs.moduleNs());
+
+            default:
+                throw new SvcLogicException(format(FORMAT_ERR, p.format));
+        }
+    }
+
+    /**
+     * Returns the updated JSON request message, when the HTTP method
+     * points to PUT or PATCH.
+     *
+     * @param req      current JSON request message
+     * @param nodeName root node name
+     * @param modName  module name of the root node
+     * @return update JSON request message
+     */
+    private String getUpdatedJsonReq(String req, String nodeName,
+                                     String modName) {
+        Writer writer = new StringWriter();
+        JsonWriter jsonWriter = new JsonWriter(writer);
+        jsonWriter.setIndent(repeat(" ", 4));
+
+        JsonParser jsonParser = new JsonParser();
+        JsonObject oldJson = (JsonObject)jsonParser.parse(req);
+        oldJson = remChildModName(oldJson, modName);
+        JsonObject newJson = new JsonObject();
+        newJson.add(modName + COLON + nodeName, oldJson.deepCopy());
+
+        Gson gson= new Gson();
+        gson.toJson(newJson, jsonWriter);
+        return writer.toString();
+    }
+
+    /**
+     * Removes module name from all the updated first level child node, if it
+     * is same as the root node added.
+     *
+     * @param oldJson JSON object for old request
+     * @param modName module name of root node
+     * @return JSON object for old request with updated child module name
+     */
+    private JsonObject remChildModName(JsonObject oldJson, String modName) {
+        Iterator<Map.Entry<String, JsonElement>> it = oldJson.entrySet().iterator();
+        Map<String, JsonElement> m = new HashMap<>();
+        while (it.hasNext()) {
+            Map.Entry<String, JsonElement> jNode = it.next();
+            if (jNode.getKey().contains(COLON)) {
+                String[] modArr = jNode.getKey().split(COLON);
+                if (modArr[0].equals(modName)) {
+                    it.remove();
+                    m.put(modArr[1], jNode.getValue());
+                }
+            }
+        }
+        if (!m.isEmpty()) {
+            for (Map.Entry<String, JsonElement> element : m.entrySet()) {
+                oldJson.add(element.getKey(), element.getValue());
+            }
+        }
+        return oldJson;
+    }
+
+    /**
+     * Returns the updated XML request message, when the HTTP method points
+     * to PUT or PATCH.
+     *
+     * @param req      current JSON request message
+     * @param nodeName root node name
+     * @param modNs    module namespace of the root node
+     * @return update JSON request message
+     * @throws SvcLogicException when XML parsing fails
+     */
+    private String getXmlReqForPutOp(String req, String nodeName,
+                                     URI modNs) throws SvcLogicException {
+        req = getUpdatedXmlReq(req, nodeName, modNs.toString());
+        Document oldDoc;
+        try {
+            oldDoc = DocumentHelper.parseText(req);
+        } catch (DocumentException e) {
+            throw new SvcLogicException(XML_TREE_ERR, e);
+        }
+        Writer writer = getXmlWriter(
+                UTF_HEADER + oldDoc.getRootElement().asXML(), "4");
+        return writer.toString();
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiUtils.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiUtils.java
new file mode 100644
index 000000000..1309102b3
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiUtils.java
@@ -0,0 +1,265 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ *
+ * Modifications Copyright © 2018 IBM.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfapicall;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.restapicall.HttpMethod;
+import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.YangParameters;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
+import org.opendaylight.yangtools.yang.parser.rfc7950.repo.YangStatementStreamSource;
+import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
+import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
+
+import static org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode.getParameters;
+import static org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode.parseParam;
+import static org.opendaylight.yangtools.yang.model.repo.api.StatementParserMode.DEFAULT_MODE;
+import static org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource.forFile;
+import static org.opendaylight.yangtools.yang.parser.rfc7950.reactor.RFC7950Reactors.defaultReactor;
+import static org.opendaylight.yangtools.yang.parser.rfc7950.repo.YangStatementStreamSource.create;
+
+/**
+ * Utilities for restconf api call node.
+ */
+public final class RestconfApiUtils {
+
+    static final String RES_CODE = "response-code";
+
+    static final String HTTP_REQ ="httpRequest";
+
+    static final String RES_PRE = "responsePrefix";
+
+    static final String RES_MSG = "response-message";
+
+    static final String HEADER = "header.";
+
+    static final String COMMA = ",";
+
+    static final String COLON = ":";
+
+    static final String HTTP_RES = "httpResponse";
+
+    static final String REST_API_URL = "restapiUrl";
+
+    static final String UPDATED_URL = "URL was set to";
+
+    static final String COMM_FAIL = "Failed to communicate with host %s." +
+            "Request will be re-attempted using the host %s.";
+
+    static final String RETRY_COUNT = "This is retry attempt %d out of %d";
+
+    static final String RETRY_FAIL = "Retry attempt has failed. No further " +
+            "retry shall be attempted, calling setFailureResponseStatus";
+
+    static final String NO_MORE_RETRY = "Could not attempt retry";
+
+    static final String MAX_RETRY_ERR = "Maximum retries reached, calling " +
+            "setFailureResponseStatus";
+
+    static final String ATTEMPTS_MSG = "%d attempts were made out of %d " +
+            "maximum retries";
+
+    static final String REQ_ERR = "Error sending the request: ";
+
+    private static final String SLASH = "/";
+
+    private static final String DIR_PATH = "dirPath";
+
+    private static final String URL_SYNTAX = "The following URL cannot be " +
+            "parsed into URI : ";
+
+    private static final String YANG = ".yang";
+
+    private static final String YANG_FILE_ERR = "Unable to parse the YANG " +
+            "file provided";
+
+    //No instantiation.
+    private RestconfApiUtils() {
+    }
+
+    /**
+     * Returns the YANG parameters after parsing it from the map.
+     *
+     * @param paramMap parameters map
+     * @return YANG parameters
+     * @throws SvcLogicException when parsing of parameters map fail
+     */
+    static YangParameters getYangParameters(Map<String, String> paramMap)
+            throws SvcLogicException {
+        YangParameters param = (YangParameters) getParameters(
+                paramMap, new YangParameters());
+        param.dirPath = parseParam(paramMap, DIR_PATH, false, null);
+        return param;
+    }
+
+    /**
+     * Parses the restconf URL and gives the YANG path from it, which can be
+     * used to get schema node. If it is a PUT operation, then a node must be
+     * reduced from the url to make it always point to the parent.
+     *
+     * @param url    restconf URL
+     * @param method HTTP operation
+     * @return YANG path pointing to parent
+     * @throws SvcLogicException when parsing the URL fails
+     */
+    public static String parseUrl(String url, HttpMethod method)
+            throws SvcLogicException {
+        URI uri;
+        try {
+            uri = new URI(url);
+        } catch (URISyntaxException e) {
+            throw new SvcLogicException(URL_SYNTAX + url, e);
+        }
+
+        String path = uri.getPath();
+        path = getParsedPath(path);
+        return path;
+    }
+
+    /**
+     * Returns the path which contains only the schema nodes.
+     *
+     * @param path path
+     * @return path representing schema
+     */
+    private static String getParsedPath(String path) {
+        String firstHalf;
+        String secondHalf;
+        if (path.contains(COLON)) {
+            String[] p = path.split(COLON);
+            if (p[0].contains(SLASH)) {
+                int slash = p[0].lastIndexOf(SLASH);
+                firstHalf = p[0].substring(slash + 1);
+            } else {
+                firstHalf = p[0];
+            }
+            secondHalf = path.substring(p[0].length() + 1);
+            return firstHalf + COLON + secondHalf;
+        } else if (path.contains(SLASH)) {
+            String[] p = path.split(SLASH);
+            if (p.length > 4) {
+                String actual = p[3] + COLON + p[4];
+                if (p.length > 5) {
+                    secondHalf = path.substring(
+                           p[1].length() + p[2].length() + actual.length() + 3);
+                    path = actual + secondHalf;
+                } else {
+                    path = actual;
+                }
+            }
+        }
+        return path;
+    }
+
+    /**
+     * Returns the schema context of the YANG files present in a directory.
+     *
+     * @param di directory path
+     * @return YANG schema context
+     * @throws SvcLogicException when YANG file reading fails
+     */
+    static SchemaContext getSchemaCtxFromDir(String di)
+            throws SvcLogicException {
+        Path d = Paths.get(di);
+        File dir = d.toFile();
+        List<File> yangFiles = new LinkedList<>();
+        getYangFiles(dir, yangFiles);
+        final Collection<YangStatementStreamSource> sources =
+                new ArrayList<>(yangFiles.size());
+        for (File file : yangFiles) {
+            try {
+                sources.add(create(forFile(file)));
+            } catch (IOException | YangSyntaxErrorException e) {
+                throw new SvcLogicException(YANG_FILE_ERR + e.getMessage(), e);
+            }
+        }
+
+        final CrossSourceStatementReactor.BuildAction reactor = defaultReactor()
+                .newBuild(DEFAULT_MODE).addSources(sources);
+        try {
+            return reactor.buildEffective();
+        } catch (ReactorException e) {
+            throw new SvcLogicException(YANG_FILE_ERR + e.getMessage(), e);
+        }
+    }
+
+    /**
+     * Returns all the YANG files present in a directory recursively.
+     *
+     * @param dir       path of the directory
+     * @param yangFiles list of YANG files
+     */
+    private static void getYangFiles(File dir, List<File> yangFiles) {
+        if (dir.exists()) {
+            File[] files = dir.listFiles();
+            if (files != null) {
+                processFiles(files, yangFiles);
+            }
+        }
+    }
+
+    /**
+     * Processes all the obtained files by isolating all the YANG files from
+     * all the directory of the given path recursively.
+     *
+     * @param files     files in the given path
+     * @param yangFiles YANG files list
+     */
+    private static void processFiles(File[] files, List<File> yangFiles) {
+        for (File file : files) {
+            if (file.isFile() && file.getName().endsWith(YANG)) {
+                yangFiles.add(file);
+            } else if (file.isDirectory()) {
+                getYangFiles(file, yangFiles);
+            }
+        }
+    }
+
+    /**
+     * Returns the updated XML request message by adding root node to it.
+     *
+     * @param req      XML request
+     * @param nodeName root node name
+     * @param modNs    module namespace of the root node
+     * @return updated XML request message
+     */
+    static String getUpdatedXmlReq(String req, String nodeName, String modNs) {
+        String rootNode = "\n<" + nodeName + " xmlns=\"" + modNs +
+                "\">\n";
+        req = req.replaceFirst("\n", rootNode);
+        req = req + "</" + nodeName + ">";
+        return req.replaceAll(">\\s+<", "><");
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/AdditionalHeaderWebTarget.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/AdditionalHeaderWebTarget.java
new file mode 100644
index 000000000..3213cae15
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/AdditionalHeaderWebTarget.java
@@ -0,0 +1,166 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ *
+ * Modifications Copyright © 2018 IBM
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.Configuration;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.UriBuilder;
+import java.net.URI;
+import java.util.Map;
+
+/**
+ * Adds additional headers for SSE request.
+ */
+class AdditionalHeaderWebTarget implements WebTarget {
+    private WebTarget base;
+    private String token;
+
+    private String accessToken = "X-ACCESS-TOKEN";
+
+    public AdditionalHeaderWebTarget(WebTarget target, String token) {
+        base = target;
+        this.token = token;
+    }
+
+    @Override
+    public Invocation.Builder request() {
+        return base.request().header(accessToken, token);
+    }
+
+    @Override
+    public Invocation.Builder request(String... acceptedResponseTypes) {
+        return base.request().header(accessToken, token);
+    }
+
+    @Override
+    public Invocation.Builder request(MediaType... acceptedResponseTypes) {
+        return base.request().header(accessToken, token);
+    }
+
+    @Override
+    public Configuration getConfiguration() {
+        return base.getConfiguration();
+    }
+
+    @Override
+    public URI getUri() {
+        return base.getUri();
+    }
+
+    @Override
+    public UriBuilder getUriBuilder() {
+        return base.getUriBuilder();
+    }
+
+    @Override
+    public WebTarget path(String path) {
+        return base.path(path);
+    }
+
+    @Override
+    public WebTarget resolveTemplate(String name, Object value) {
+        return base.resolveTemplate(name, value);
+    }
+
+    @Override
+    public WebTarget resolveTemplate(String name, Object value, boolean encodeSlashInPath) {
+        return base.resolveTemplate(name, value, encodeSlashInPath);
+    }
+
+    @Override
+    public WebTarget resolveTemplateFromEncoded(String name, Object value) {
+        return base.resolveTemplateFromEncoded(name, value);
+    }
+
+    @Override
+    public WebTarget resolveTemplates(Map<String, Object> templateValues) {
+        return base.resolveTemplates(templateValues);
+    }
+
+    @Override
+    public WebTarget resolveTemplates(Map<String, Object> templateValues, boolean encodeSlashInPath) {
+        return base.resolveTemplates(templateValues, encodeSlashInPath);
+    }
+
+    @Override
+    public WebTarget resolveTemplatesFromEncoded(Map<String, Object> templateValues) {
+        return base.resolveTemplatesFromEncoded(templateValues);
+    }
+
+    @Override
+    public WebTarget matrixParam(String name, Object... values) {
+        return base.matrixParam(name, values);
+    }
+
+    @Override
+    public WebTarget queryParam(String name, Object... values) {
+        return base.queryParam(name, values);
+    }
+
+    @Override
+    public WebTarget property(String name, Object value) {
+        return base.property(name, value);
+    }
+
+    @Override
+    public WebTarget register(Class<?> componentClass) {
+        return base.register(componentClass);
+    }
+
+    @Override
+    public WebTarget register(Class<?> componentClass, int priority) {
+        return base.register(componentClass, priority);
+    }
+
+    @Override
+    public WebTarget register(Class<?> componentClass, Class<?>... contracts) {
+        return base.register(componentClass, contracts);
+    }
+
+    @Override
+    public WebTarget register(Class<?> componentClass, Map<Class<?>, Integer> contracts) {
+        return base.register(componentClass, contracts);
+    }
+
+    @Override
+    public WebTarget register(Object component) {
+        return base.register(component);
+    }
+
+    @Override
+    public WebTarget register(Object component, int priority) {
+        return base.register(component, priority);
+    }
+
+    @Override
+    public WebTarget register(Object component, Class<?>... contracts) {
+        return base.register(component, contracts);
+    }
+
+    @Override
+    public WebTarget register(Object component, Map<Class<?>, Integer> contracts) {
+        return base.register(component, contracts);
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventHandler.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventHandler.java
new file mode 100644
index 000000000..a76554d5a
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventHandler.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+import org.glassfish.jersey.media.sse.InboundEvent;
+import org.glassfish.jersey.media.sse.EventListener;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Listener that can be registered to listen for notifications.
+ */
+class EventHandler implements EventListener {
+    private static final Logger log = LoggerFactory.getLogger(EventListener.class);
+    private RestconfDiscoveryNode node;
+
+    public EventHandler(RestconfDiscoveryNode node) {
+        this.node = node;
+    }
+
+    @Override
+    public void onEvent(InboundEvent event) {
+        String payload = event.readData();
+        if (!node.eventQueue().offer(payload)) {
+            log.error("Unable to process event {} as processing queue is full", payload);
+        }
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventProcessor.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventProcessor.java
new file mode 100644
index 000000000..4f28072d3
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventProcessor.java
@@ -0,0 +1,76 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ *
+ * Modifications Copyright © 2018 IBM
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.slf4j.Logger;
+
+import java.util.Map;
+
+import static org.onap.ccsdk.sli.plugins.restapicall.JsonParser.convertToProperties;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Processes the events from event queue and executes callback DG.
+ */
+class EventProcessor implements Runnable {
+
+    private static final Logger log = getLogger(EventProcessor.class);
+    private RestconfDiscoveryNode node;
+
+    private static final String EVENT_SUBSCRIPTION_ID = "notification." +
+            "push-change-update.subscription-id";
+
+    public EventProcessor(RestconfDiscoveryNode node) {
+        this.node = node;
+    }
+
+    @Override
+    public void run() {
+        while(true) {
+            try {
+                String payload = node.eventQueue().take();
+                Map<String, String> param = convertToProperties(payload);
+                String id = param.get(EVENT_SUBSCRIPTION_ID);
+                SubscriptionInfo info = node.subscriptionInfoMap().get(id);
+                if (info != null) {
+                    SvcLogicContext ctx = setContext(param);
+                    SvcLogicGraphInfo callbackDG = info.callBackDG();
+                    callbackDG.executeGraph(ctx);
+                }
+            } catch (InterruptedException | SvcLogicException e) {
+                log.error("Interrupted!", e);
+                Thread.currentThread().interrupt();
+            }
+        }
+    }
+
+    private SvcLogicContext setContext(Map<String, String> param) {
+        SvcLogicContext ctx = new SvcLogicContext();
+        for (Map.Entry<String, String> entry : param.entrySet()) {
+            ctx.setAttribute(entry.getKey(), entry.getValue());
+        }
+        return ctx;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java
new file mode 100644
index 000000000..cf69d7a3c
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java
@@ -0,0 +1,310 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+import org.glassfish.jersey.media.sse.EventSource;
+import org.glassfish.jersey.media.sse.SseFeature;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.restapicall.Parameters;
+import org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode;
+import org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiCallNode;
+import org.slf4j.Logger;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.WebTarget;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.LinkedBlockingQueue;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Representation of a plugin to subscribe for notification and then
+ * to handle the received notifications.
+ */
+public class RestconfDiscoveryNode implements SvcLogicDiscoveryPlugin {
+
+    private static final Logger log = getLogger(RestconfDiscoveryNode.class);
+
+    private ExecutorService executor = Executors.newCachedThreadPool();
+    private Map<String, PersistentConnection> runnableInfo = new ConcurrentHashMap<>();
+    private RestconfApiCallNode restconfApiCallNode;
+
+    private volatile Map<String, SubscriptionInfo> subscriptionInfoMap = new ConcurrentHashMap<>();
+    private volatile LinkedBlockingQueue<String> eventQueue = new LinkedBlockingQueue<>();
+
+    private static final String SUBSCRIBER_ID = "subscriberId";
+    private static final String RESPONSE_CODE = "response-code";
+    private static final String RESPONSE_PREFIX = "responsePrefix";
+    private static final String OUTPUT_IDENTIFIER = "ietf-subscribed-notif" +
+            "ications:establish-subscription.output.identifier";
+    private static final String RESPONSE_CODE_200 = "200";
+    private static final String SSE_URL = "sseConnectURL";
+
+    /**
+     * Creates an instance of RestconfDiscoveryNode and starts processing of
+     * event.
+     *
+     * @param r restconf api call node
+     */
+    public RestconfDiscoveryNode(RestconfApiCallNode r) {
+        this.restconfApiCallNode = r;
+        ExecutorService e = Executors.newFixedThreadPool(20);
+        EventProcessor p = new EventProcessor(this);
+        for (int i = 0; i < 20; ++i) {
+            e.execute(p);
+        }
+    }
+
+    @Override
+    public void establishSubscription(Map<String, String> paramMap,
+                                      SvcLogicContext ctx) throws SvcLogicException {
+        String subscriberId = paramMap.get(SUBSCRIBER_ID);
+        if (subscriberId == null) {
+            throw new SvcLogicException("Subscriber Id is null");
+        }
+
+        restconfApiCallNode.sendRequest(paramMap, ctx);
+
+        if (getResponseCode(paramMap.get(RESPONSE_PREFIX), ctx).equals(RESPONSE_CODE_200)) {
+            // TODO: save subscription id and subscriber in MYSQL
+
+            establishPersistentConnection(paramMap, ctx, subscriberId);
+        } else {
+            log.info("Failed to subscribe {}", subscriberId);
+            throw new SvcLogicException(ctx.getAttribute(RESPONSE_CODE));
+        }
+    }
+
+    @Override
+    public void modifySubscription(Map<String, String> paramMap, SvcLogicContext ctx) {
+        // TODO: to be implemented
+    }
+
+    @Override
+    public void deleteSubscription(Map<String, String> paramMap, SvcLogicContext ctx) {
+        String id = getSubscriptionId(paramMap.get(SUBSCRIBER_ID));
+        if (id != null) {
+            PersistentConnection conn = runnableInfo.get(id);
+            conn.terminate();
+            runnableInfo.remove(id);
+            subscriptionInfoMap.remove(id);
+        }
+    }
+
+    class PersistentConnection implements Runnable {
+        private String url;
+        private volatile boolean running = true;
+        private Map<String, String> paramMap;
+
+        PersistentConnection(String url, Map<String, String> paramMap) {
+            this.url = url;
+            this.paramMap = paramMap;
+        }
+
+        private void terminate() {
+            running = false;
+        }
+
+        @Override
+        public void run() {
+            Parameters p;
+            WebTarget target = null;
+            try {
+                RestapiCallNode restapi = restconfApiCallNode.getRestapiCallNode();
+                p = RestapiCallNode.getParameters(paramMap, new Parameters());
+                Client client =  ignoreSslClient().register(SseFeature.class);
+                target = restapi.addAuthType(client, p).target(url);
+            } catch (SvcLogicException e) {
+                log.error("Exception occured!", e);
+                Thread.currentThread().interrupt();
+            }
+
+            target = addToken(target, paramMap.get("customHttpHeaders"));
+            EventSource eventSource = EventSource.target(target).build();
+            eventSource.register(new EventHandler(RestconfDiscoveryNode.this));
+            eventSource.open();
+            log.info("Connected to SSE source");
+            while (running) {
+                try {
+                    log.info("SSE state " + eventSource.isOpen());
+                    Thread.sleep(5000);
+                } catch (InterruptedException e) {
+                    log.error("Interrupted!", e);
+                    Thread.currentThread().interrupt();
+                }
+            }
+            eventSource.close();
+            log.info("Closed connection to SSE source");
+        }
+
+        private Client ignoreSslClient() {
+            SSLContext sslcontext = null;
+
+            try {
+                sslcontext = SSLContext.getInstance("TLS");
+                sslcontext.init(null, new TrustManager[]{new X509TrustManager() {
+                    @Override
+                    public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
+                    }
+
+                    @Override
+                    public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
+                    }
+
+                    @Override
+                    public X509Certificate[] getAcceptedIssuers() {
+                        return new X509Certificate[0];
+                    }
+                } }, new java.security.SecureRandom());
+            } catch (NoSuchAlgorithmException | KeyManagementException e) {
+                throw new IllegalStateException(e);
+            }
+
+            return ClientBuilder.newBuilder().sslContext(sslcontext).hostnameVerifier((s1, s2) -> true).build();
+        }
+    }
+
+    protected String getTokenId(String customHttpHeaders) {
+        if (customHttpHeaders.contains("=")) {
+            String[] s = customHttpHeaders.split("=");
+            return s[1];
+        }
+        return customHttpHeaders;
+    }
+
+    protected WebTarget addToken(WebTarget target, String customHttpHeaders) {
+        if (customHttpHeaders == null) {
+            return target;
+        }
+
+        return new AdditionalHeaderWebTarget(
+                target, getTokenId(customHttpHeaders));
+    }
+
+    /**
+     * Establishes a persistent between the client and server.
+     *
+     * @param paramMap input paramter map
+     * @param ctx service logic context
+     * @param subscriberId subscriber identifier
+     */
+    void establishPersistentConnection(Map<String, String> paramMap, SvcLogicContext ctx,
+                                              String subscriberId) {
+        String id = getOutputIdentifier(paramMap.get(RESPONSE_PREFIX), ctx);
+        SvcLogicGraphInfo callbackDG = new SvcLogicGraphInfo(paramMap.get("module"),
+                                                             paramMap.get("rpc"),
+                                                             paramMap.get("version"),
+                                                             paramMap.get("mode"));
+        SubscriptionInfo info = new SubscriptionInfo();
+        info.callBackDG(callbackDG);
+        info.subscriptionId(id);
+        info.subscriberId(subscriberId);
+        subscriptionInfoMap.put(id, info);
+
+        String url = paramMap.get(SSE_URL);
+        PersistentConnection connection = new PersistentConnection(url, paramMap);
+        runnableInfo.put(id, connection);
+        executor.execute(connection);
+    }
+
+    /**
+     * Returns response code.
+     *
+     * @param prefix prefix given in input parameter
+     * @param ctx service logic context
+     * @return response code
+     */
+    String getResponseCode(String prefix, SvcLogicContext ctx) {
+        return ctx.getAttribute(getPrefix(prefix) + RESPONSE_CODE);
+    }
+
+    /**
+     * Returns subscription id from event.
+     *
+     * @param prefix prefix given in input parameter
+     * @param ctx service logic context
+     * @return subscription id from event
+     */
+    String getOutputIdentifier(String prefix, SvcLogicContext ctx) {
+        return ctx.getAttribute(getPrefix(prefix) + OUTPUT_IDENTIFIER);
+    }
+
+    private String getPrefix(String prefix) {
+        return prefix != null ? prefix + "." : "";
+    }
+
+    private String getSubscriptionId(String subscriberId) {
+        for (Map.Entry<String,SubscriptionInfo> entry
+                : subscriptionInfoMap.entrySet()) {
+            if (entry.getValue().subscriberId()
+                    .equals(subscriberId)) {
+                return entry.getKey();
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns restconfApiCallNode.
+     *
+     * @return restconfApiCallNode
+     */
+    protected RestconfApiCallNode restconfapiCallNode() {
+        return restconfApiCallNode;
+    }
+
+    /**
+     * Sets restconfApiCallNode.
+     *
+     * @param node restconfApiCallNode
+     */
+    void restconfapiCallNode(RestconfApiCallNode node) {
+        restconfApiCallNode = node;
+    }
+
+    Map<String, SubscriptionInfo> subscriptionInfoMap() {
+        return subscriptionInfoMap;
+    }
+
+    void subscriptionInfoMap(Map<String, SubscriptionInfo> subscriptionInfoMap) {
+        this.subscriptionInfoMap = subscriptionInfoMap;
+    }
+
+    LinkedBlockingQueue<String> eventQueue() {
+        return eventQueue;
+    }
+
+    void eventQueue(LinkedBlockingQueue<String> eventQueue) {
+        this.eventQueue = eventQueue;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SubscriptionInfo.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SubscriptionInfo.java
new file mode 100644
index 000000000..4ed3660ca
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SubscriptionInfo.java
@@ -0,0 +1,122 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+/**
+ * Holder to store information of subscription.
+ */
+public class SubscriptionInfo {
+    private String subscriptionId;
+    private String subscriberId;
+    private SvcLogicGraphInfo callbackDG;
+    private String yangFilePath;
+    private String filterUrl;
+
+    /**
+     * Returns callback DG.
+     *
+     * @return callback DG
+     */
+    public SvcLogicGraphInfo callBackDG() {
+        return callbackDG;
+    }
+
+    /**
+     * Sets callback DG.
+     *
+     * @param callbackDg callback DG
+     */
+    public void callBackDG(SvcLogicGraphInfo callbackDg) {
+        this.callbackDG = callbackDg;
+    }
+
+    /**
+     * Returns YANG file path.
+     *
+     * @return YANG file path
+     */
+    public String yangFilePath() {
+        return yangFilePath;
+    }
+
+    /**
+     * Sets YANG file path.
+     *
+     * @param yangFilePath yang file path
+     */
+    public void yangFilePath(String yangFilePath) {
+        this.yangFilePath = yangFilePath;
+    }
+
+    /**
+     * Returns filter URL.
+     *
+     * @return filter URL
+     */
+    public String filterUrl() {
+        return filterUrl;
+    }
+
+    /**
+     * Sets filter URL.
+     *
+     * @param filterUrl filter URL
+     */
+    public void filterUrl(String filterUrl) {
+        this.filterUrl = filterUrl;
+    }
+
+    /**
+     * Returns subscription Id.
+     *
+     * @return subscription Id
+     */
+    public String subscriptionId() {
+        return subscriptionId;
+    }
+
+    /**
+     * Sets subscription id.
+     *
+     * @param subscriptionId subscription id
+     */
+    public void subscriptionId(String subscriptionId) {
+        this.subscriptionId = subscriptionId;
+    }
+
+    /**
+     * Returns subscription Id.
+     *
+     * @return subscription Id
+     */
+    public String subscriberId() {
+        return subscriberId;
+    }
+
+    /**
+     * Sets subscriber id.
+     *
+     * @param subscriberId subscriber id
+     */
+    public void subscriberId(String subscriberId) {
+        this.subscriberId = subscriberId;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java
new file mode 100644
index 000000000..dfe8cd5b7
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java
@@ -0,0 +1,110 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+import java.util.Map;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+
+/**
+ * Abstraction of a plugin to enable discovery from DG.
+ */
+public interface SvcLogicDiscoveryPlugin extends SvcLogicJavaPlugin {
+
+    /**
+     * Allows directed graphs to establish a discovery subscription for a given subscriber.
+     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
+     * <table border="1">
+     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
+     *  <tbody>
+     *      <tr><td>templateDirName</td><td>Optional</td><td>full path to YANG directory that can be used to build a request</td><td>/sdncopt/bvc/resconfapi/test</td></tr>
+     *      <tr><td>establishSubscriptionURL</td><td>Mandatory</td><td>url to establish connection with server</td><td>https://127.0.0.1:8181/restconf/operations/ietf-subscribed-notifications:establish-subscription</td></tr>
+     *      <tr><td>sseConnectURL</td><td>Mandatory</td><td>url to setup SSE connection with server</td><td>https://127.0.0.1:8181/restconf/streams/yang-push-json</td></tr>
+     *      <tr><td>callbackDG</td><td>Mandatory</td><td>callback DG to process the received notification</td><td>Resource-Discovery:handleSOTNTopology</td></tr>
+     *      <tr><td>filterURL</td><td>Optional</td><td>url which needs to be subscribed, if null subscribe to all</td><td>http://example.com/sample-data/1.0</td></tr>
+     *      <tr><td>subscriptionType</td><td>Optional</td><td>type of subscription, periodic or onDataChange</td><td>onDataChange</td></tr>
+     *      <tr><td>updateFrequency</td><td>Optional</td><td>update frequency in milli seconds when subscription type is periodic</td><td>1000</td></tr>
+     *      <tr><td>restapiUser</td><td>Optional</td><td>user name to use for http basic authentication</td><td>sdnc_ws</td></tr>
+     *      <tr><td>restapiPassword</td><td>Optional</td><td>unencrypted password to use for http basic authentication</td><td>plain_password</td></tr>
+     *      <tr><td>contentType</td><td>Optional</td><td>http content type to set in the http header</td><td>usually application/json or application/xml</td></tr>
+     *      <tr><td>format</td><td>Optional</td><td>should match request body format</td><td>json or xml</td></tr>
+     *      <tr><td>responsePrefix</td><td>Optional</td><td>location the notification response will be written to in context memory</td><td>tmp.restconfdiscovery.result</td></tr>
+     *      <tr><td>skipSending</td><td>Optional</td><td></td><td>true or false</td></tr>
+     *      <tr><td>convertResponse </td><td>Optional</td><td>whether the response should be converted</td><td>true or false</td></tr>
+     *      <tr><td>customHttpHeaders</td><td>Optional</td><td>a list additional http headers to be passed in, follow the format in the example</td><td>X-CSI-MessageId=messageId,headerFieldName=headerFieldValue</td></tr>
+     *      <tr><td>dumpHeaders</td><td>Optional</td><td>when true writes http header content to context memory</td><td>true or false</td></tr>
+     *  </tbody>
+     * </table>
+     * @param ctx Reference to context memory
+     * @throws SvcLogicException
+     * @since 11.0.2
+     * @see String#split(String, int)
+     */
+    void establishSubscription(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException;
+
+    /**
+     * Allows directed graphs to modify a discovery subscription for a given subscriber.
+     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
+     * <table border="1">
+     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
+     *  <tbody>
+     *      <tr><td>subscriberId</td><td>Mandatory</td><td>subscription subscriber's identifier</td><td>topologyId/1111</td></tr>
+     *      <tr><td>templateDirName</td><td>Optional</td><td>full path to YANG directory that can be used to build a request</td><td>/sdncopt/bvc/resconfapi/test</td></tr>
+     *      <tr><td>establishSubscriptionURL</td><td>Mandatory</td><td>url to establish connection with server</td><td>https://127.0.0.1:8181/restconf/operations/ietf-subscribed-notifications:establish-subscription</td></tr>
+     *      <tr><td>sseConnectURL</td><td>Mandatory</td><td>url to setup SSE connection with server</td><td>https://127.0.0.1:8181/restconf/streams/yang-push-json</td></tr>
+     *      <tr><td>callbackDG</td><td>Mandatory</td><td>callback DG to process the received notification</td><td>Resource-Discovery:handleSOTNTopology</td></tr>
+     *      <tr><td>filterURL</td><td>Optional</td><td>url filter list which needs to be subscribed, if null subscribe to all</td><td>http://example.com/sample-data/1.0</td></tr>
+     *      <tr><td>subscriptionType</td><td>Optional</td><td>type of subscription, periodic or onDataChange</td><td>onDataChange</td></tr>
+     *      <tr><td>updateFrequency</td><td>Optional</td><td>update frequency in milli seconds when subscription type is periodic</td><td>1000</td></tr>
+     *      <tr><td>restapiUser</td><td>Optional</td><td>user name to use for http basic authentication</td><td>sdnc_ws</td></tr>
+     *      <tr><td>restapiPassword</td><td>Optional</td><td>unencrypted password to use for http basic authentication</td><td>plain_password</td></tr>
+     *      <tr><td>contentType</td><td>Optional</td><td>http content type to set in the http header</td><td>usually application/json or application/xml</td></tr>
+     *      <tr><td>format</td><td>Optional</td><td>should match request body format</td><td>json or xml</td></tr>
+     *      <tr><td>responsePrefix</td><td>Optional</td><td>location the notification response will be written to in context memory</td><td>tmp.restconfdiscovery.result</td></tr>
+     *      <tr><td>skipSending</td><td>Optional</td><td></td><td>true or false</td></tr>
+     *      <tr><td>convertResponse </td><td>Optional</td><td>whether the response should be converted</td><td>true or false</td></tr>
+     *      <tr><td>customHttpHeaders</td><td>Optional</td><td>a list additional http headers to be passed in, follow the format in the example</td><td>X-CSI-MessageId=messageId,headerFieldName=headerFieldValue</td></tr>
+     *      <tr><td>dumpHeaders</td><td>Optional</td><td>when true writes http header content to context memory</td><td>true or false</td></tr>
+     *  </tbody>
+     * </table>
+     * @param ctx Reference to context memory
+     * @throws SvcLogicException
+     * @since 11.0.2
+     * @see String#split(String, int)
+     */
+    void modifySubscription(Map<String, String> paramMap, SvcLogicContext ctx);
+
+    /**
+     * Allows directed graphs to delete the discovery subscription for a given subscriber.
+     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
+     * <table border="1">
+     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
+     *  <tbody>
+     *      <tr><td>subscriberId</td><td>Mandatory</td><td>subscription subscriber's identifier</td><td>topologyId/1111</td></tr>
+     *  </tbody>
+     * </table>
+     * @param ctx Reference to context memory
+     * @throws SvcLogicException
+     */
+    void deleteSubscription(Map<String, String> paramMap, SvcLogicContext ctx);
+
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicGraphInfo.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicGraphInfo.java
new file mode 100644
index 000000000..1cc6261ab
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicGraphInfo.java
@@ -0,0 +1,178 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicGraph;
+import org.onap.ccsdk.sli.core.sli.SvcLogicStore;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Holder to store callback directed graph info.
+ */
+class SvcLogicGraphInfo {
+    private String module;
+    private String rpc;
+    private String mode;
+    private String version;
+
+    /**
+     * Creates an instance of SvcLogicGraphInfo.
+     *
+     * @param module module name of callback DG
+     * @param rpc rpc name of callback DG
+     * @param mode mode of callback DG
+     * @param version version of callback DG
+     */
+    public SvcLogicGraphInfo(String module, String rpc, String mode, String version) {
+        this.module = module;
+        this.rpc = rpc;
+        this.mode = mode;
+        this.version = version;
+    }
+
+    public SvcLogicGraphInfo() {}
+
+    /**
+     * Returns module name of callback DG.
+     *
+     * @return module name of callback DG
+     */
+    public String module() {
+        return module;
+    }
+
+    /**
+     * Sets module of callback DG.
+     *
+     * @param module module name of the DG
+     */
+    public void module(String module) {
+        this.module = module;
+    }
+
+    /**
+     * Returns rpc of callback DG.
+     *
+     * @return rpc of callback DG
+     */
+    public String rpc() {
+        return rpc;
+    }
+
+    /**
+     * Sets rpc of callback DG.
+     *
+     * @param rpc rpc attribute of the DG
+     */
+    public void rpc(String rpc) {
+        this.rpc = rpc;
+    }
+
+    /**
+     * Returns mode of callback DG.
+     *
+     * @return mode of callback DG
+     */
+    public String mode() {
+        return mode;
+    }
+
+    /**
+     * Sets mode of DG.
+     *
+     * @param mode mode of the DG
+     */
+    public void mode(String mode) {
+        this.mode = mode;
+    }
+
+    /**
+     * Returns version of callback DG.
+     *
+     * @return version of callback DG
+     */
+    public String version() {
+        return version;
+    }
+
+    /**
+     * Sets version of DG.
+     *
+     * @param version version of the DG
+     */
+    public void version(String version) {
+        this.version = version;
+    }
+
+    /**
+     * Executes call back DG.
+     *
+     * @param ctx service logic context
+     * @throws SvcLogicException service logic error
+     */
+    public void executeGraph(SvcLogicContext ctx) throws SvcLogicException {
+        SvcLogicService service = findSvcLogicService();
+        if (service == null) {
+            throw new SvcLogicException("\"Could not get SvcLogicService reference\"");
+        }
+
+        SvcLogicStore store = service.getStore();
+        if (store != null) {
+            SvcLogicGraph subGraph = store.fetch(module, rpc, mode, version);
+            if (subGraph != null) {
+                ctx.setAttribute("subGraph", subGraph.toString());
+                service.execute(subGraph, ctx);
+            } else {
+                throw new SvcLogicException("Failed to call child [" + module +
+                                                    "," + rpc + "," + version +
+                                                    "," + mode + "] because" +
+                                                    " the" + " graph could" +
+                                                    " not be found");
+            }
+        } else {
+            throw new SvcLogicException("\"Could not get SvcLogicStore reference\"");
+        }
+    }
+
+    private static SvcLogicService findSvcLogicService() throws SvcLogicException {
+        Bundle bundle = FrameworkUtil.getBundle(SvcLogicService.class);
+        if (bundle == null) {
+            throw new SvcLogicException("Cannot find bundle reference for "
+                                                + SvcLogicService.NAME);
+        }
+
+        BundleContext bctx = bundle.getBundleContext();
+        ServiceReference<SvcLogicService> sref = bctx.getServiceReference(
+                SvcLogicService.class);
+        if (sref  != null) {
+            return bctx.getService(sref);
+        } else {
+            throw new SvcLogicException("Cannot find service reference for "
+                                                + SvcLogicService.NAME);
+        }
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Annotation.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Annotation.java
new file mode 100644
index 000000000..185f70ba0
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Annotation.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+/**
+ * Representation of an entity that represents annotated attribute.
+ */
+public class Annotation {
+
+    /**
+     * Name of the annotation.
+     */
+    private String name;
+
+    /**
+     * Value of the annotation.
+     */
+    private String value;
+
+    /**
+     * Creates an instance of annotation.
+     *
+     * @param n annotation name
+     * @param v annotation value
+     */
+    public Annotation(String n, String v) {
+        name = n;
+        value = v;
+    }
+
+    /**
+     * Returns name of annotation.
+     *
+     * @return name of annotation
+     */
+    public String name() {
+        return name;
+    }
+
+    /**
+     * Returns value of annotation.
+     *
+     * @return value of annotation
+     */
+    public String value() {
+        return value;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormat.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormat.java
new file mode 100644
index 000000000..c692f1dd2
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormat.java
@@ -0,0 +1,37 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+/**
+ * Representation of data format.
+ */
+public enum DataFormat {
+
+    /**
+     * XML data format.
+     */
+    XML,
+
+    /**
+     * JSON data format.
+     */
+    JSON
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializer.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializer.java
new file mode 100644
index 000000000..cab64391a
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializer.java
@@ -0,0 +1,94 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Abstraction of serializer to encode/decode context memory parameters
+ * to/from specified data format.
+ */
+public abstract class DataFormatSerializer {
+
+    /**
+     * Data format type of the serializer.
+     */
+    private DataFormat dataFormat;
+
+    /**
+     * Data format serializer context.
+     */
+    private DataFormatSerializerContext serializerContext;
+
+    /**
+     * Creates an instance of data format serializer.
+     *
+     * @param d type of data format
+     * @param s data format serializer context
+     */
+    protected DataFormatSerializer(DataFormat d,
+                                   DataFormatSerializerContext s) {
+        this.dataFormat = d;
+        this.serializerContext = s;
+    }
+
+    /**
+     * Encodes context memory parameters to data format.
+     *
+     * @param param context memory parameter
+     * @param annotations annotations
+     * @return data format body
+     * @throws SvcLogicException when serialization fails
+     */
+    public abstract String encode(Map<String, String> param,
+        Map<String, List<Annotation>> annotations) throws SvcLogicException;
+
+    /**
+     * Decodes data format body to context memory parameters.
+     *
+     * @param dataFormatBody abstract node
+     * @return context memory parameters
+     * @throws SvcLogicException when serialization fails
+     */
+    public abstract Map<String, String> decode(String dataFormatBody)
+            throws SvcLogicException;
+
+    /**
+     * Returns data format serializer context.
+     *
+     * @return data format serializer context
+     */
+    public DataFormatSerializerContext serializerContext() {
+        return serializerContext;
+    }
+
+    /**
+     * Returns supported data format.
+     *
+     * @return supported data format
+     */
+    public DataFormat dataFormat() {
+        return dataFormat;
+    }
+}
\ No newline at end of file
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializerContext.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializerContext.java
new file mode 100644
index 000000000..919e82af3
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializerContext.java
@@ -0,0 +1,104 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeSerializer;
+
+import java.util.Map;
+
+/**
+ * Abstraction of data format serializer context.
+ */
+public class DataFormatSerializerContext {
+
+    /**
+     * Data format listener.
+     */
+    private Listener listener;
+
+    /**
+     * URI corresponding to the instance identifier.
+     */
+    private String uri;
+
+    /**
+     * Protocol annotation.
+     */
+    private Map<String, String> protocolAnnotation;
+
+    /**
+     * Properties node serializer.
+     */
+    private PropertiesNodeSerializer propNodeSerializer;
+
+    /**
+     * Creates an instance of data format serializer context.
+     *
+     * @param l data format listener
+     * @param u URI corresponding to instance identifier
+     * @param p protocol annotations
+     * @param s properties node serializer
+     */
+    public DataFormatSerializerContext(Listener l, String u,
+                                       Map<String, String> p,
+                                       PropertiesNodeSerializer s) {
+        listener = l;
+        uri = u;
+        protocolAnnotation = p;
+        propNodeSerializer = s;
+    }
+
+    /**
+     * Returns the data format listener.
+     *
+     * @return data format listener
+     */
+    public Listener listener() {
+        return listener;
+    }
+
+    /**
+     * Returns the URI.
+     *
+     * @return URI
+     */
+    public String uri() {
+        return uri;
+    }
+
+    /**
+     * Returns the protocol annotations.
+     *
+     * @return protocol annotations
+     */
+    public Map<String, String> getProtocolAnnotation() {
+        return protocolAnnotation;
+    }
+
+    /**
+     * Returns the properties node serializer.
+     *
+     * @return properties node serializer
+     */
+    public PropertiesNodeSerializer getPropNodeSerializer() {
+        return propNodeSerializer;
+    }
+}
\ No newline at end of file
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonListener.java
new file mode 100644
index 000000000..45317522a
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonListener.java
@@ -0,0 +1,145 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
+
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
+
+
+/**
+ * Representation of default implementation of JSON listener.
+ */
+public class DefaultJsonListener implements JsonListener {
+
+    /**
+     * Serializer helper to convert to properties node.
+     */
+    private SerializerHelper serializerHelper;
+
+    /**
+     * Name of the current JSON node.
+     */
+    private String name;
+
+    /**
+     * Module name of the current JSON node.
+     */
+    private String modName;
+
+    /**
+     * Value of the current JSON node.
+     */
+    private String value;
+
+    /**
+     * Value namespace of the current JSON node.
+     */
+    private String valueNs;
+
+    /**
+     * Creates an instance of default json listener with its serializer helper.
+     *
+     * @param serializerHelper serializer helper
+     */
+    public DefaultJsonListener(SerializerHelper serializerHelper) {
+        this.serializerHelper = serializerHelper;
+    }
+
+    @Override
+    public void enterJsonNode(String nodeName, JsonNode node,
+                              NodeType nodeType) throws SvcLogicException {
+        getNodeName(nodeName, false);
+
+        switch (nodeType) {
+            case SINGLE_INSTANCE_LEAF_NODE:
+                getNodeName(node.asText(), true);
+                serializerHelper.addNode(name, modName, value, valueNs,
+                                         SINGLE_INSTANCE_LEAF_NODE);
+                break;
+
+            case MULTI_INSTANCE_LEAF_NODE:
+                getNodeName(node.asText(), true);
+                serializerHelper.addNode(name, modName, value, valueNs,
+                                         MULTI_INSTANCE_LEAF_NODE);
+                break;
+
+            case SINGLE_INSTANCE_NODE:
+                serializerHelper.addNode(name, modName, null, null,
+                                         SINGLE_INSTANCE_NODE);
+                break;
+
+            case MULTI_INSTANCE_NODE:
+                serializerHelper.addNode(name, modName, null, null,
+                                         MULTI_INSTANCE_NODE);
+                break;
+
+            default:
+                throw new SvcLogicException(format(NODE_TYPE_ERR,
+                                                   nodeType.toString()));
+        }
+    }
+
+    @Override
+    public void exitJsonNode(JsonNode node) throws SvcLogicException {
+        serializerHelper.exitNode();
+    }
+
+    @Override
+    public SerializerHelper serializerHelper() {
+        return serializerHelper;
+    }
+
+    /**
+     * Parses the abstract JSON name and fills the node name and node
+     * namespace or value and value namespace of the current JSON node .
+     *
+     * @param abstractName full name value
+     * @param isVal if it is for value parsing
+     */
+    private void getNodeName(String abstractName, boolean isVal) {
+        String[] val = abstractName.split(":");
+        if (val.length == 2) {
+            if (isVal) {
+                valueNs = val[0];
+                value = val[1];
+            } else {
+                modName = val[0];
+                name = val[1];
+            }
+        } else {
+            if (isVal) {
+                value = val[0];
+                valueNs = null;
+            } else {
+                name = val[0];
+                modName = null;
+            }
+        }
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonWalker.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonWalker.java
new file mode 100644
index 000000000..47cb8b292
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonWalker.java
@@ -0,0 +1,141 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.JsonNodeType;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
+
+import java.util.Iterator;
+import java.util.Map;
+
+import static com.fasterxml.jackson.databind.node.JsonNodeType.NUMBER;
+import static com.fasterxml.jackson.databind.node.JsonNodeType.STRING;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
+
+/**
+ * Implementation of JSON walker to walk through the nodes and process it.
+ */
+public class DefaultJsonWalker implements JsonWalker {
+
+    @Override
+    public void walk(JsonListener listener, JsonNode jsonNode) throws
+            SvcLogicException {
+        Iterator<Map.Entry<String, JsonNode>> children = jsonNode.fields();
+        while (children.hasNext()) {
+            Map.Entry<String, JsonNode> child = children.next();
+            JsonNode value = child.getValue();
+            String key = child.getKey();
+            if (value.isArray()) {
+                processMultiNodes(key, value, listener);
+            } else {
+                processSingleNode(key, value, listener);
+            }
+        }
+    }
+
+    /**
+     * Processes single instance node or leaf, by adding the node to from
+     * JSON and walking through all its children recursively.
+     *
+     * @param key      JSON name
+     * @param value    JSON node
+     * @param listener JSON listener
+     * @throws SvcLogicException when processing the node fails
+     */
+    private void processSingleNode(String key, JsonNode value,
+                                   JsonListener listener)
+            throws SvcLogicException {
+        NodeType nodeType;
+        if (!value.isContainerNode()) {
+            nodeType = SINGLE_INSTANCE_LEAF_NODE;
+        } else {
+            nodeType = SINGLE_INSTANCE_NODE;
+        }
+        processNode(key, value, nodeType, listener);
+    }
+
+    /**
+     * Processes multi instance node or leaf, by adding the node to from JSON
+     * and walking through all its instance recursively.
+     *
+     * @param key      JSON name
+     * @param value    JSON node
+     * @param listener JSON listener
+     * @throws SvcLogicException when processing a single instance fails
+     */
+    private void processMultiNodes(String key, JsonNode value,
+                                   JsonListener listener)
+            throws SvcLogicException {
+        NodeType nodeType;
+        Iterator<JsonNode> multiNodes = value.elements();
+        while (multiNodes.hasNext()) {
+            if (isLeafListNode((ArrayNode) value)) {
+                nodeType = MULTI_INSTANCE_LEAF_NODE;
+            } else {
+                nodeType = MULTI_INSTANCE_NODE;
+            }
+            JsonNode multiNode = multiNodes.next();
+            processNode(key, multiNode, nodeType, listener);
+        }
+    }
+
+    /**
+     * Processes each node by first entering the JSON node through JSON
+     * listener, second a call back to walking the rest of the tree of the
+     * node and finally exiting the node.
+     *
+     * @param key      JSON name
+     * @param node     JSON node
+     * @param nodeType JSON node type
+     * @param listener JSON listener
+     * @throws SvcLogicException when entering a JSON node fails
+     */
+    private void processNode(String key, JsonNode node, NodeType nodeType,
+                             JsonListener listener) throws SvcLogicException {
+        listener.enterJsonNode(key, node, nodeType);
+        walk(listener, node);
+        listener.exitJsonNode(node);
+    }
+
+    /**
+     * Returns true if the node corresponds to a leaf-list node; false
+     * otherwise.
+     *
+     * @param node JSON node
+     * @return true if node corresponds to leaf-list node; false otherwise
+     */
+    private boolean isLeafListNode(ArrayNode node) {
+        Iterator<JsonNode> children = node.elements();
+        while (children.hasNext()) {
+            JsonNodeType type = children.next().getNodeType();
+            if (type != STRING && type != NUMBER) {
+                return false;
+            }
+        }
+        return true;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java
new file mode 100644
index 000000000..03abf44fd
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java
@@ -0,0 +1,120 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.dom4j.Element;
+import org.dom4j.Namespace;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+import java.util.List;
+
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
+
+/**
+ * Representation of default implementation of XML listener.
+ */
+public class DefaultXmlListener implements XmlListener {
+
+    /**
+     * Serializer helper to convert to properties node.
+     */
+    private SerializerHelper serializerHelper;
+
+    /**
+     * Creates an instance of default XML listener with its serializer helper.
+     *
+     * @param serializerHelper serializer helper
+     */
+    public DefaultXmlListener(SerializerHelper serializerHelper) {
+        this.serializerHelper = serializerHelper;
+    }
+
+    @Override
+    public void enterXmlElement(Element element, XmlNodeType nodeType)
+            throws SvcLogicException {
+        switch (nodeType) {
+            case TEXT_NODE:
+                serializerHelper.addNode(element.getName(),
+                                         element.getNamespace().getURI(),
+                                         element.getText(), null, null);
+                break;
+
+            case OBJECT_NODE:
+                List cont = element.content();
+                if (cont != null && cont.size() == 2 &&
+                        isValueNsForLeaf(cont, element)) {
+                    return;
+                }
+                serializerHelper.addNode(element.getName(),
+                                         element.getNamespace().getURI(),
+                                         null, null, null);
+                break;
+
+            default:
+                throw new SvcLogicException(format(NODE_TYPE_ERR,
+                                                   nodeType.toString()));
+        }
+    }
+
+    /**
+     * Returns true if element has value namespace and adds the node to
+     * property tree; false otherwise.
+     *
+     * @param cont    content of the element
+     * @param element element
+     * @return true if element has value namespace; false otherwise
+     * @throws SvcLogicException
+     */
+    private boolean isValueNsForLeaf(List cont, Element element)
+            throws SvcLogicException {
+        for (Object c : cont) {
+            if (c instanceof Namespace) {
+                String value = element.getText();
+                if (value != null) {
+                    String[] val = value.split(":");
+                    String valPrefix = val[0];
+                    String actVal = val[1];
+                    if (valPrefix != null && actVal != null &&
+                            valPrefix.equals(((Namespace) c).getPrefix())) {
+                        serializerHelper.addNode(
+                                element.getName(),
+                                element.getNamespace().getURI(),
+                                actVal,
+                                ((Namespace) c).getURI(), null);
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public void exitXmlElement(Element element) throws SvcLogicException {
+        serializerHelper.exitNode();
+    }
+
+    @Override
+    public SerializerHelper serializerHelper() {
+        return serializerHelper;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlWalker.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlWalker.java
new file mode 100644
index 000000000..cdc713f31
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlWalker.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.dom4j.Element;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+import java.util.Iterator;
+
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getXmlNodeType;
+
+/**
+ * Implementation of XML walker to walk through the nodes and process it.
+ */
+public class DefaultXmlWalker implements XmlWalker {
+
+    @Override
+    public void walk(XmlListener listener, Element xmlElement) throws
+            SvcLogicException {
+        listener.enterXmlElement(xmlElement, getXmlNodeType(xmlElement));
+        if (xmlElement.hasContent() && !xmlElement.isTextOnly()) {
+            Iterator i = xmlElement.elementIterator();
+            while (i.hasNext()) {
+                Element childElement = (Element) i.next();
+                walk(listener, childElement);
+            }
+        }
+        listener.exitXmlElement(xmlElement);
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfListenerFactory.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfListenerFactory.java
new file mode 100644
index 000000000..06a811e15
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfListenerFactory.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.FORMAT_ERR;
+
+/**
+ * Represents the data format listener factory which will return JSON or XML
+ * listener according to the serializer helper.
+ */
+public final class DfListenerFactory {
+
+    /**
+     * Creates a new DfListenerFactory.
+     */
+    private DfListenerFactory() {
+    }
+
+    /**
+     * Returns the instance of the data format listener factory.
+     *
+     * @return instance of the data format listener factory
+     */
+    public static DfListenerFactory instance() {
+        return DfListenerFactory.LazyHolder.INSTANCE;
+    }
+
+    /**
+     * Bill pugh singleton pattern. Instance will not be instantiated until
+     * the lazy holder class is loaded via a call to the instance of method
+     * below.
+     */
+    private static class LazyHolder {
+        private static final DfListenerFactory INSTANCE =
+                new DfListenerFactory();
+    }
+
+    /**
+     * Returns the data format listener by deciding it based on the format of
+     * the parameter.
+     *
+     * @param serHelper serializer helper
+     * @param params    parameters
+     * @return data format listener
+     * @throws SvcLogicException when the data format type is wrong
+     */
+    public Listener getListener(SerializerHelper serHelper,
+                                YangParameters params)
+            throws SvcLogicException {
+        Listener listener;
+        switch (params.format) {
+            case JSON:
+                listener = new DefaultJsonListener(serHelper);
+                break;
+
+            case XML:
+                listener = new DefaultXmlListener(serHelper);
+                break;
+
+            default:
+                throw new SvcLogicException(format(FORMAT_ERR,
+                                                   params.format));
+        }
+        return listener;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerFactory.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerFactory.java
new file mode 100644
index 000000000..4d95235e5
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerFactory.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.FORMAT_ERR;
+
+/**
+ * Represents the data format serializer factory which will return JSON or XML
+ * serializer according to the serializer context.
+ */
+public final class DfSerializerFactory {
+
+    /**
+     * Creates a new DfSerializerFactory.
+     */
+    private DfSerializerFactory() {
+    }
+
+    /**
+     * Returns the instance of the data format serializer factory.
+     *
+     * @return instance of the data format serializer factory
+     */
+    public static DfSerializerFactory instance() {
+        return DfSerializerFactory.LazyHolder.INSTANCE;
+    }
+
+    /**
+     * Bill pugh singleton pattern. Instance will not be instantiated until
+     * the lazy holder class is loaded via a call to the instance of method
+     * below.
+     */
+    private static class LazyHolder {
+        private static final DfSerializerFactory INSTANCE =
+                new DfSerializerFactory();
+    }
+
+    /**
+     * Returns the data format serializer by deciding it based on the format of
+     * the parameter.
+     *
+     * @param serCtx serializer context
+     * @param params parameters
+     * @return data format serializer
+     * @throws SvcLogicException when the data format type is wrong
+     */
+    public DataFormatSerializer getSerializer(DataFormatSerializerContext serCtx,
+                                              YangParameters params)
+            throws SvcLogicException {
+        DataFormatSerializer serializer;
+        switch (params.format) {
+            case JSON:
+                serializer = new JsonSerializer(serCtx);
+                break;
+
+            case XML:
+                serializer = new XmlSerializer(serCtx);
+                break;
+
+            default:
+                throw new SvcLogicException(format(FORMAT_ERR,
+                                                   params.format));
+        }
+        return serializer;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerUtil.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerUtil.java
new file mode 100644
index 000000000..707c29444
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerUtil.java
@@ -0,0 +1,231 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.dom4j.Element;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
+import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import java.io.IOException;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Iterator;
+
+import static javax.xml.transform.OutputKeys.INDENT;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.XmlNodeType.OBJECT_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.XmlNodeType.TEXT_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getRevision;
+
+/**
+ * Utilities for data format serializer.
+ */
+public final class DfSerializerUtil {
+
+    static final String JSON_WRITE_ERR = "Unable to write to JSON from " +
+            "properties.";
+
+    static final String NODE_TYPE_ERR = "The node type %s is not supported.";
+
+    static final String JSON_LIS_ERR = "The JSON serializer doesn't have " +
+            "JSON listener";
+
+    static final String XML_LIS_ERR = "The XML serializer doesn't have XML " +
+            "listener";
+
+    static final String PROP_NODE_ERR = "The property node doesn't have " +
+            "schema node bound to it.";
+
+    static final String DF_ERR = "Type mismatch for the node %s. The schema " +
+            "node does not match with the data format node type %s.";
+
+    static final String XML_PREFIX = "yangid";
+
+    private static final String YES = "yes";
+
+    private static final String INDENT_XMLNS = "{http://xml.apache" +
+            ".org/xslt}indent-amount";
+
+    private static final String XML_PARSE_ERR = "Unable to parse the xml to " +
+            "document : \n";
+
+    private static final String URI_ERR = "Unable to parse the URI";
+
+    /**
+     * Data format error message for unsupported types.
+     */
+    public static final String FORMAT_ERR = "Only JSON and XML formats are " +
+            "supported. %s is not supported";
+
+    /**
+     * UTF header message for XML data format message.
+     */
+    public static final String UTF_HEADER = "<?xml version=\"1.0\" " +
+            "encoding=\"UTF-8\"?>";
+
+    /**
+     * Error message when a JSON tree creation fails.
+     */
+    public static final String JSON_TREE_ERR = "Unable to form JSON tree " +
+            "object from the JSON body provided.";
+
+    /**
+     * Error message when a XML tree creation fails.
+     */
+    public static final String XML_TREE_ERR = "Unable to form XML tree object" +
+            " from the XML body provided.";
+
+    //No instantiation.
+    private DfSerializerUtil() {
+    }
+
+    /**
+     * Returns the writer which contains the pretty formatted XML string.
+     *
+     * @param input  input XML
+     * @param indent indentation level
+     * @return writer with XML
+     * @throws SvcLogicException when transformation of source fails
+     */
+    public static Writer getXmlWriter(String input, String indent)
+            throws SvcLogicException {
+        try {
+            Transformer transformer = TransformerFactory.newInstance()
+                    .newTransformer();
+            transformer.setOutputProperty(INDENT, YES);
+            transformer.setOutputProperty(INDENT_XMLNS, indent);
+            StreamResult result = new StreamResult(new StringWriter());
+            DOMSource source = new DOMSource(parseXml(input));
+            transformer.transform(source, result);
+            return result.getWriter();
+        } catch (TransformerException e) {
+            throw new SvcLogicException(XML_PARSE_ERR + input, e);
+        }
+    }
+
+    /**
+     * Parses the XML and converts it into dom document which can be used for
+     * formatting the XML.
+     *
+     * @param in input XML
+     * @return dom document of XML
+     * @throws SvcLogicException when document building fails
+     */
+    private static Document parseXml(String in) throws SvcLogicException {
+        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+        DocumentBuilder db;
+        try {
+            db = dbf.newDocumentBuilder();
+            InputSource is = new InputSource(new StringReader(in));
+            return db.parse(is);
+        } catch (SAXException | IOException | ParserConfigurationException e) {
+            throw new SvcLogicException(XML_PARSE_ERR + in, e);
+        }
+    }
+
+    /**
+     * Returns the resolved namespace object from the input received from the
+     * abstract data format.
+     *
+     * @param mName  module name
+     * @param mUri   module URI
+     * @param ctx    schema context
+     * @param parent parent properties node
+     * @return namespace
+     * @throws SvcLogicException when resolving namespace fails
+     */
+    static Namespace getResolvedNamespace(String mName, String mUri,
+                                          SchemaContext ctx,
+                                          PropertiesNode parent)
+            throws SvcLogicException {
+        if (mName == null && mUri == null) {
+            Namespace parentNs = parent.namespace();
+            return new Namespace(parentNs.moduleName(), parentNs.moduleNs(),
+                                 parentNs.revision());
+        }
+
+        Iterator<Module> it;
+        Module mod;
+        if (mName != null) {
+            it = ctx.findModules(mName).iterator();
+        } else {
+            URI modUri = null;
+            try {
+               modUri = new URI(mUri);
+            } catch (URISyntaxException e) {
+                throw new SvcLogicException(URI_ERR, e);
+            }
+            it = ctx.findModules(modUri).iterator();
+        }
+
+        if (!it.hasNext()) {
+            return null;
+        }
+        mod = it.next();
+
+        return new Namespace(mod.getName(), mod.getQNameModule().getNamespace(),
+                             getRevision(mod.getRevision()));
+    }
+
+    /**
+     * Returns the node type of a XML element.
+     *
+     * @param element XML element
+     * @return node type of the XML element
+     */
+    static XmlNodeType getXmlNodeType(Element element) {
+        Element newElement = element.createCopy();
+        newElement.remove(element.getNamespace());
+        return newElement.hasContent() && newElement.isTextOnly() ?
+                TEXT_NODE : OBJECT_NODE;
+    }
+
+    /**
+     * Resolves the super type to the base type from type definition.
+     *
+     * @param type super type
+     * @return base type definition
+     */
+    static TypeDefinition<?> resolveBaseTypeFrom(TypeDefinition<?> type) {
+        TypeDefinition superType = type;
+        while (superType.getBaseType() != null) {
+            superType = superType.getBaseType();
+        }
+        return superType;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java
new file mode 100644
index 000000000..89fd4c8c8
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java
@@ -0,0 +1,55 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
+
+/**
+ * Abstraction of an entity which provides call back methods, which in turn
+ * are called by JSON walker while walking the JSON tree. This interface
+ * needs to be implemented by protocol, implementing listener based call
+ * while doing JSON walk.
+ */
+public interface JsonListener extends Listener {
+
+    /**
+     * Call back invoked during JSON node entry. All other related
+     * information can be obtained from the JSON node.
+     *
+     * @param nodeName JSON node name
+     * @param node     JSON node
+     * @param nodeType JSON node type
+     * @throws SvcLogicException when node type is of wrong format
+     */
+    void enterJsonNode(String nodeName, JsonNode node, NodeType nodeType)
+            throws SvcLogicException;
+
+    /**
+     * Call back invoked during JSON node exit. All the related information
+     * can be obtained from the JSON node.
+     *
+     * @param node JSON node
+     * @throws SvcLogicException when JSON node exit doesn't happen
+     */
+    void exitJsonNode(JsonNode node) throws SvcLogicException;
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonSerializer.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonSerializer.java
new file mode 100644
index 000000000..91adb8126
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonSerializer.java
@@ -0,0 +1,91 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.io.IOException;
+import java.io.Writer;
+import java.util.List;
+import java.util.Map;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeWalker;
+
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DataFormat.JSON;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.JSON_LIS_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.JSON_TREE_ERR;
+
+/**
+ * Representation of JSON serializer which encodes properties to JSON and
+ * decodes properties from JSON with the data format serializer.
+ */
+public class JsonSerializer extends DataFormatSerializer {
+
+    /**
+     * Creates an instance of data format serializer.
+     *
+     * @param serializerContext data format serializer context
+     */
+    protected JsonSerializer(DataFormatSerializerContext serializerContext) {
+        super(JSON, serializerContext);
+    }
+
+    @Override
+    public String encode(Map<String, String> param,
+                         Map<String, List<Annotation>> annotations)
+            throws SvcLogicException {
+        PropertiesNode propNode = serializerContext().getPropNodeSerializer()
+                .encode(param);
+        PropertiesNodeWalker nodeWalker = new DefaultPropertiesNodeWalker<>();
+        PropertiesNodeJsonListener jsonLis = new PropertiesNodeJsonListener();
+        nodeWalker.walk(jsonLis, propNode);
+        Writer writer = jsonLis.getWriter();
+        return writer.toString();
+    }
+
+    @Override
+    public Map<String, String> decode(String dataFormatBody)
+            throws SvcLogicException {
+        if (!(serializerContext().listener() instanceof JsonListener)) {
+            throw new SvcLogicException(JSON_LIS_ERR);
+        }
+
+        JsonListener listener = (JsonListener) serializerContext().listener();
+        JsonWalker walker = new DefaultJsonWalker();
+        ObjectMapper mapper = new ObjectMapper();
+        JsonNode jsonNode;
+
+        try {
+            jsonNode = mapper.readTree(dataFormatBody);
+        } catch (IOException e) {
+            throw new SvcLogicException(JSON_TREE_ERR, e);
+        }
+
+        walker.walk(listener, jsonNode);
+
+        return serializerContext().getPropNodeSerializer().decode(
+                listener.serializerHelper().getPropertiesNode());
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonWalker.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonWalker.java
new file mode 100644
index 000000000..588070a12
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonWalker.java
@@ -0,0 +1,44 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Abstraction of an entity which provides interface for JSON walk. This
+ * interface serves as a common tool for anyone who needs to parse the JSON
+ * node with depth-first algorithm.
+ */
+public interface JsonWalker {
+
+    /**
+     * Walks the JSON data tree. Protocols implement JSON listener service
+     * and walks the JSON tree with input as implemented object. JSON walker
+     * provides call back to the implemented methods.
+     *
+     * @param listener JSON listener implemented by the protocol
+     * @param jsonNode root node of the JSON data tree
+     * @throws SvcLogicException when walking the JSON node fails
+     */
+    void walk(JsonListener listener, JsonNode jsonNode)
+            throws SvcLogicException;
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Listener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Listener.java
new file mode 100644
index 000000000..e5812dbb7
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Listener.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+/**
+ * Abstraction of listener.
+ */
+public interface Listener {
+
+    /**
+     * Returns serializer helper for this listener.
+     *
+     * @return serializer helper
+     */
+    SerializerHelper serializerHelper();
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/MdsalSerializerHelper.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/MdsalSerializerHelper.java
new file mode 100644
index 000000000..1fd0d2dee
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/MdsalSerializerHelper.java
@@ -0,0 +1,297 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.RootNode;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.Revision;
+import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition;
+
+import java.util.Deque;
+
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.DF_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.PROP_NODE_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getResolvedNamespace;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.resolveBaseTypeFrom;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getRevision;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_HOLDER_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_HOLDER_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
+import static org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils.findDataChildSchemaByQName;
+import static org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils.findSchemaForChild;
+import static org.opendaylight.yangtools.yang.data.util.ParserStreamUtils.findSchemaNodeByNameAndNamespace;
+
+/**
+ * Representation of MDSAL based serializer helper, which adds properties
+ * node to the properties tree based on its types.
+ */
+public class MdsalSerializerHelper extends SerializerHelper<SchemaNode, SchemaContext> {
+
+    /**
+     * Current properties node.
+     */
+    private PropertiesNode propNode;
+
+    /**
+     * Current schema node.
+     */
+    private SchemaNode curSchemaNode;
+
+
+    /**
+     * Creates MDSAL serializer helper with root schema node, schema context
+     * and URI.
+     *
+     * @param n schema node of the URI's last node
+     * @param c schema context
+     * @param u URI of the request
+     */
+    public MdsalSerializerHelper(SchemaNode n, SchemaContext c,
+                                 String u) {
+        super(n, c, u);
+        Namespace ns = new Namespace(n.getQName().getLocalName(),
+                                     n.getQName().getNamespace(),
+                                     getRevision(n.getQName().getRevision()));
+        propNode = new RootNode<>(n.getQName().getLocalName(), ns,
+                                  getSchemaNode(), u);
+        curSchemaNode = getSchemaNode();
+    }
+
+    @Override
+    protected SchemaNode getSchemaNode() {
+        return schemaNode;
+    }
+
+    @Override
+    protected SchemaContext getSchemaCtx() {
+        return schemaCtx;
+    }
+
+    @Override
+    protected SchemaNode getCurSchema() {
+        return curSchemaNode;
+    }
+
+    @Override
+    protected void addNode(String name, String nameSpace, String value,
+                           String valNameSpace, NodeType type)
+            throws SvcLogicException {
+        Namespace ns;
+        if (type == null) {
+            ns = getResolvedNamespace(null, nameSpace,
+                                      getSchemaCtx(), propNode);
+        } else {
+            ns = getResolvedNamespace(nameSpace, null,
+                                      getSchemaCtx(), propNode);
+        }
+        if (isChildPresent(name, ns)) {
+            addNodeToProperty(name, ns, value, valNameSpace, type);
+        } else {
+            throw new SvcLogicException(format(
+                    "Unable to add the node %s", name));
+        }
+    }
+
+    @Override
+    protected void exitNode() throws SvcLogicException {
+        propNode = propNode.parent();
+        if (propNode != null) {
+            NodeType type = propNode.nodeType();
+            if (type == MULTI_INSTANCE_HOLDER_NODE ||
+                    type == MULTI_INSTANCE_LEAF_HOLDER_NODE) {
+                propNode = propNode.parent();
+            }
+        }
+        if (propNode == null || propNode.appInfo() == null
+                || !(propNode.appInfo() instanceof SchemaNode)) {
+            throw new SvcLogicException(PROP_NODE_ERR);
+        }
+        curSchemaNode = (SchemaNode) propNode.appInfo();
+    }
+
+    @Override
+    protected PropertiesNode getPropertiesNode() {
+        return propNode;
+    }
+
+    /**
+     * Adds the node to property node based on the type of the schema node,
+     * which is decided based on the name and namespace of the input
+     * information.
+     *
+     * @param name         name of the node
+     * @param ns           namespace of the node
+     * @param value        value of the node if its a leaf/leaf-list
+     * @param valNamespace namespace of the value
+     * @param type         type of the node
+     * @throws SvcLogicException when adding child fails
+     */
+    private void addNodeToProperty(String name, Namespace ns, String value,
+                                   String valNamespace, NodeType type)
+            throws SvcLogicException {
+        Namespace valueNs;
+        if (type != null) {
+            validateNodeType(type);
+        }
+        if (curSchemaNode instanceof LeafSchemaNode) {
+            valueNs = getValueNs(curSchemaNode, valNamespace, type);
+            propNode = propNode.addChild(name, ns,
+                                         SINGLE_INSTANCE_LEAF_NODE,
+                                         value, valueNs, curSchemaNode);
+        } else if (curSchemaNode instanceof LeafListSchemaNode) {
+            valueNs = getValueNs(curSchemaNode, valNamespace, type);
+            propNode = propNode.addChild(null, name, ns,
+                                         MULTI_INSTANCE_LEAF_NODE, value,
+                                         valueNs, curSchemaNode);
+        } else if (curSchemaNode instanceof ListSchemaNode) {
+            propNode = propNode.addChild(null, name, ns, MULTI_INSTANCE_NODE,
+                                         curSchemaNode);
+        } else {
+            propNode = propNode.addChild(name, ns, SINGLE_INSTANCE_NODE,
+                                         curSchemaNode);
+        }
+    }
+
+    /**
+     * Returns the namespace of the value namespace in case of identity ref.
+     *
+     * @param schemaNode schema node
+     * @param valNs      value name space
+     * @param nodeType   node type
+     * @return namespace of value namespace
+     * @throws SvcLogicException when namespace resolution fails for identityref
+     */
+    private Namespace getValueNs(SchemaNode schemaNode, String valNs,
+                                 NodeType nodeType) throws SvcLogicException {
+        Namespace ns = null;
+        if (valNs != null) {
+            TypeDefinition type;
+            if (schemaNode instanceof LeafSchemaNode) {
+                type = ((LeafSchemaNode) schemaNode).getType();
+            } else {
+                type = ((LeafListSchemaNode) schemaNode).getType();
+            }
+            TypeDefinition<?> baseType = resolveBaseTypeFrom(type);
+            if (baseType instanceof IdentityrefTypeDefinition) {
+                if (nodeType == null) {
+                    ns = getResolvedNamespace(null, valNs, getSchemaCtx(),
+                                              propNode);
+                } else {
+                    ns = getResolvedNamespace(valNs, null, getSchemaCtx(),
+                                              propNode);
+                }
+            }
+        }
+        return ns;
+    }
+
+    /**
+     * Validates that the node type from the data format matches with that of
+     * the corresponding schema node.
+     *
+     * @param type node type from the abstract data format
+     * @throws SvcLogicException when the node type is wrong
+     */
+    private void validateNodeType(NodeType type) throws SvcLogicException {
+        boolean verify;
+        switch (type) {
+            case SINGLE_INSTANCE_LEAF_NODE:
+                verify = curSchemaNode instanceof LeafSchemaNode;
+                break;
+
+            case MULTI_INSTANCE_LEAF_NODE:
+                verify = curSchemaNode instanceof LeafListSchemaNode;
+                break;
+
+            case MULTI_INSTANCE_NODE:
+                verify = curSchemaNode instanceof ListSchemaNode;
+                break;
+
+            case SINGLE_INSTANCE_NODE:
+                verify = (!(curSchemaNode instanceof LeafSchemaNode) &&
+                        !(curSchemaNode instanceof LeafListSchemaNode) &&
+                        !(curSchemaNode instanceof ListSchemaNode));
+                break;
+
+            default:
+                throw new SvcLogicException(format(NODE_TYPE_ERR,
+                                                   type.toString()));
+        }
+        if (!verify) {
+            throw new SvcLogicException(format(DF_ERR, curSchemaNode
+                    .getQName().getLocalName(), type.toString()));
+        }
+    }
+
+    /**
+     * Returns true if the child schema is present with the name and
+     * namespace inside the current schema node, if present updates the
+     * current schema node; false otherwise.
+     *
+     * @param name      name of the child schema node
+     * @param namespace namespace of the child schema node
+     * @return returns true if the child schema is available; false otherwise
+     */
+    private boolean isChildPresent(String name, Namespace namespace) {
+        QName qname =  QName.create(namespace.moduleNs(),
+                                    Revision.of(namespace.revision()), name);
+        SchemaNode childNode = null;
+        if (curSchemaNode instanceof DataSchemaNode) {
+            Deque<DataSchemaNode> dataSchema = findSchemaNodeByNameAndNamespace(
+                    (DataSchemaNode) curSchemaNode, name, namespace.moduleNs());
+
+            if (dataSchema != null && !dataSchema.isEmpty()) {
+                childNode = dataSchema.pop();
+            }
+
+            if (dataSchema != null && !dataSchema.isEmpty()) {
+                childNode = findSchemaForChild(((ChoiceSchemaNode) childNode),
+                                               qname);
+            }
+
+        } else {
+            childNode = findDataChildSchemaByQName(curSchemaNode, qname);
+        }
+
+        if (childNode != null) {
+            curSchemaNode = childNode;
+            return true;
+        }
+        return false;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeJsonListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeJsonListener.java
new file mode 100644
index 000000000..0f03039e5
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeJsonListener.java
@@ -0,0 +1,233 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import com.google.gson.stream.JsonWriter;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.Collection;
+import java.util.Map;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.LeafNode;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeListener;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.RootNode;
+
+import static com.google.common.base.Strings.repeat;
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.JSON_WRITE_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
+
+/**
+ * Representation of JSON implementation of properties node listener.
+ */
+public class PropertiesNodeJsonListener implements PropertiesNodeListener{
+
+    /**
+     * JSON writer to write the JSON data format.
+     */
+    private JsonWriter jsonWriter;
+
+    /**
+     * Writer to write the JSON.
+     */
+    private Writer writer;
+
+    /**
+     * Creates the properties node JSON listener by instantiating and
+     * indenting the writer.
+     */
+    public PropertiesNodeJsonListener() {
+        writer = new StringWriter();
+        jsonWriter = new JsonWriter(writer);
+        jsonWriter.setIndent(repeat(" ", 4));
+    }
+
+    @Override
+    public void start(PropertiesNode node) throws SvcLogicException {
+        try {
+            jsonWriter.beginObject();
+        } catch (IOException e) {
+            throw new SvcLogicException(JSON_WRITE_ERR, e);
+        }
+    }
+
+    @Override
+    public void end(PropertiesNode node) throws SvcLogicException {
+        try {
+            jsonWriter.endObject();
+            jsonWriter.flush();
+        } catch (IOException e) {
+            throw new SvcLogicException(JSON_WRITE_ERR, e);
+        }
+    }
+
+    @Override
+    public void enterPropertiesNode(PropertiesNode node)
+            throws SvcLogicException {
+        String val;
+        String nodeName = getNodeName(node);
+        try {
+            switch (node.nodeType()) {
+                case SINGLE_INSTANCE_NODE:
+                    jsonWriter.name(nodeName);
+                    jsonWriter.beginObject();
+                    break;
+
+                case MULTI_INSTANCE_NODE:
+                    jsonWriter.beginObject();
+                    break;
+
+                case SINGLE_INSTANCE_LEAF_NODE:
+                    val = getValueWithNs((LeafNode) node);
+                    jsonWriter.name(nodeName).value(val);
+                    break;
+
+                case MULTI_INSTANCE_HOLDER_NODE:
+                case MULTI_INSTANCE_LEAF_HOLDER_NODE:
+                    jsonWriter.name(nodeName);
+                    jsonWriter.beginArray();
+                    break;
+
+                case MULTI_INSTANCE_LEAF_NODE:
+                    val = getValueWithNs((LeafNode) node);
+                    jsonWriter.value(val);
+                    break;
+
+                case ANY_XML_NODE:
+                    jsonWriter.name(nodeName);
+                    val = ((LeafNode) node).value();
+                    try {
+                        jsonWriter.jsonValue(val);
+                    } catch (IOException e) {
+                        throw new SvcLogicException(JSON_WRITE_ERR, e);
+                    }
+                    break;
+
+                default:
+                    throw new SvcLogicException(format(
+                            NODE_TYPE_ERR, node.nodeType().toString()));
+
+            }
+        } catch (IOException e) {
+            throw new SvcLogicException(JSON_WRITE_ERR, e);
+        }
+    }
+
+    @Override
+    public void exitPropertiesNode(PropertiesNode node) throws SvcLogicException {
+        walkAugmentationNode(node);
+        try {
+            switch (node.nodeType()) {
+                case SINGLE_INSTANCE_NODE:
+                case MULTI_INSTANCE_NODE:
+                    jsonWriter.endObject();
+                    break;
+
+                case MULTI_INSTANCE_HOLDER_NODE:
+                case MULTI_INSTANCE_LEAF_HOLDER_NODE:
+                    jsonWriter.endArray();
+                    break;
+
+                case  SINGLE_INSTANCE_LEAF_NODE:
+                case MULTI_INSTANCE_LEAF_NODE:
+                case ANY_XML_NODE:
+                    break;
+
+                default:
+                    throw new SvcLogicException(format(
+                            NODE_TYPE_ERR, node.nodeType().toString()));
+            }
+        } catch (IOException e) {
+            throw new SvcLogicException(JSON_WRITE_ERR, e);
+        }
+    }
+
+    /**
+     * Returns the writer.
+     *
+     * @return writer
+     */
+    public Writer getWriter() {
+        return writer;
+    }
+
+    /**
+     * Returns the abstract JSON node name to be used in JSON data format
+     * from the properties node.
+     *
+     * @param node properties node
+     * @return abstract JSON node
+     */
+    private String getNodeName(PropertiesNode node) {
+        PropertiesNode parent = node.parent();
+        if (parent instanceof RootNode || !parent.namespace().moduleName()
+                .equals(node.namespace().moduleName())) {
+            if (!parent.nonAppend()) {
+                return node.namespace().moduleName() + ":" + node.name();
+            }
+        }
+        return node.name();
+    }
+
+    /**
+     * Returns the value of JSON leaf node with module name if required.
+     *
+     * @param node properties node
+     * @return value with namespace
+     */
+    private String getValueWithNs(LeafNode node) {
+        Namespace valNs = node.valueNs();
+        String modName = (valNs == null) ? null : valNs.moduleName();
+        if (modName != null) {
+            return modName + ":" + node.value();
+        }
+        return node.value();
+    }
+
+    /**
+     * Gets all the augmentation of the given node and walks through it.
+     *
+     * @param node properties node
+     * @throws SvcLogicException when walking the properties node fails
+     */
+    private void walkAugmentationNode(PropertiesNode node)
+            throws SvcLogicException {
+        for (Map.Entry<Object, Collection<PropertiesNode>>
+                augToChild : node.augmentations().asMap().entrySet()) {
+            Collection<PropertiesNode> augChild = augToChild.getValue();
+            if (!augChild.isEmpty()) {
+                DefaultPropertiesNodeWalker walker = new
+                        DefaultPropertiesNodeWalker();
+                for (PropertiesNode p : augChild) {
+                    enterPropertiesNode(p);
+                    walker.walkChildNode(this, p);
+                    exitPropertiesNode(p);
+                }
+            }
+        }
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeXmlListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeXmlListener.java
new file mode 100644
index 000000000..f098195e4
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeXmlListener.java
@@ -0,0 +1,246 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.dom4j.Document;
+import org.dom4j.DocumentHelper;
+import org.dom4j.Element;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.LeafNode;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeListener;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.RootNode;
+
+import java.io.Writer;
+import java.net.URI;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Stack;
+
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.UTF_HEADER;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_PREFIX;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getXmlWriter;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_HOLDER_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_HOLDER_NODE;
+
+/**
+ * Representation of XML implementation of properties node listener.
+ */
+public class PropertiesNodeXmlListener implements PropertiesNodeListener {
+
+    /**
+     * XML data from the element.
+     */
+    private String xmlData;
+
+    /**
+     * Root element of the XML document.
+     */
+    private Element rootElement;
+
+    /**
+     * Writer to write the XML.
+     */
+    private Writer writer;
+
+    /**
+     * XML element stack to store the elements.
+     */
+    private final Stack<Element> elementStack = new Stack<>();
+
+    /**
+     * Creates the properties node XML listener.
+     */
+    public PropertiesNodeXmlListener() {
+    }
+
+    @Override
+    public void start(PropertiesNode node) {
+        rootElement = addElement(null, node);
+        elementStack.push(rootElement);
+    }
+
+    @Override
+    public void end(PropertiesNode node) throws SvcLogicException {
+        xmlData = rootElement.asXML();
+        xmlData = UTF_HEADER + xmlData;
+        writer = getXmlWriter(xmlData, "4");
+    }
+
+    @Override
+    public void enterPropertiesNode(PropertiesNode node)
+            throws SvcLogicException {
+        Element element = null;
+        String ns = getNodeNamespace(node);
+        switch (node.nodeType()) {
+            case MULTI_INSTANCE_LEAF_HOLDER_NODE:
+            case MULTI_INSTANCE_HOLDER_NODE:
+                break;
+
+            case SINGLE_INSTANCE_NODE:
+            case MULTI_INSTANCE_NODE:
+                element = addElement(ns, node);
+                break;
+
+            case MULTI_INSTANCE_LEAF_NODE:
+            case SINGLE_INSTANCE_LEAF_NODE:
+                element = addElement(ns, node);
+                setValueWithNs(element, (LeafNode) node);
+                break;
+
+            default:
+                throw new SvcLogicException(format(
+                        NODE_TYPE_ERR, node.nodeType().toString()));
+        }
+        if (element != null) {
+            elementStack.push(element);
+        }
+    }
+
+    @Override
+    public void exitPropertiesNode(PropertiesNode node)
+            throws SvcLogicException {
+        walkAugmentationNode(node);
+        switch (node.nodeType()) {
+            case MULTI_INSTANCE_LEAF_HOLDER_NODE:
+            case MULTI_INSTANCE_HOLDER_NODE:
+                break;
+
+            case SINGLE_INSTANCE_NODE:
+            case MULTI_INSTANCE_NODE:
+            case MULTI_INSTANCE_LEAF_NODE:
+            case SINGLE_INSTANCE_LEAF_NODE:
+                if (!elementStack.isEmpty()) {
+                    elementStack.pop();
+                }
+                break;
+
+            default:
+                throw new SvcLogicException(format(
+                        NODE_TYPE_ERR, node.nodeType().toString()));
+        }
+    }
+
+    /**
+     * Returns the writer.
+     *
+     * @return writer
+     */
+    public Writer getWriter() {
+        return writer;
+    }
+
+    /**
+     * Adds an XML element to the stack with namespace if present. If the
+     * stack is empty it creates new document and adds element else adds to
+     * the parent element.
+     *
+     * @param ns   namespace of the element
+     * @param node properties node
+     * @return new added element
+     */
+    private Element addElement(String ns, PropertiesNode node) {
+        Element element;
+        if (elementStack.isEmpty()) {
+            Document doc = DocumentHelper.createDocument();
+            if (ns != null) {
+                element = doc.addElement(node.name(), ns);
+            } else {
+                element = doc.addElement(node.name());
+            }
+        } else {
+            element = elementStack.peek();
+            if (ns != null) {
+                element = element.addElement(node.name(), ns);
+            } else {
+                element = element.addElement(node.name());
+            }
+        }
+
+        return element;
+    }
+
+    /**
+     * Returns the abstract XML namespace to be used in XML data format from
+     * the properties node.
+     *
+     * @param node properties node
+     * @return abstract XML namespace
+     */
+    private String getNodeNamespace(PropertiesNode node) {
+        PropertiesNode parent = node.parent();
+        if (parent.nodeType() == MULTI_INSTANCE_HOLDER_NODE ||
+                parent.nodeType() == MULTI_INSTANCE_LEAF_HOLDER_NODE) {
+            parent = parent.parent();
+        }
+        if (parent instanceof RootNode || ! parent.namespace().moduleName()
+                .equals(node.namespace().moduleName())) {
+            return node.namespace().moduleNs().toString();
+        }
+        return null;
+    }
+
+    /**
+     * Sets the value to the element for a leaf node and adds the value
+     * namespace if required.
+     *
+     * @param element XML element
+     * @param node leaf properties node
+     */
+    private void setValueWithNs(Element element, LeafNode node) {
+        Namespace valNs = node.valueNs();
+        URI modNs = (valNs == null) ? null : valNs.moduleNs();
+        String val = node.value();
+        if (modNs != null) {
+            element.addNamespace(XML_PREFIX, modNs.toString());
+            element.setText(XML_PREFIX + ":" + val);
+        } else {
+            element.setText(val);
+        }
+    }
+
+    /**
+     * Gets all the augmentation of the given node and walks through it.
+     *
+     * @param node properties node
+     * @throws SvcLogicException when walking the properties node fails
+     */
+    private void walkAugmentationNode(PropertiesNode node)
+            throws SvcLogicException {
+        for (Map.Entry<Object, Collection<PropertiesNode>>
+                augToChild : node.augmentations().asMap().entrySet()) {
+            Collection<PropertiesNode> augChild = augToChild.getValue();
+            if (!augChild.isEmpty()) {
+                DefaultPropertiesNodeWalker walker = new
+                        DefaultPropertiesNodeWalker();
+                for (PropertiesNode p : augChild) {
+                    enterPropertiesNode(p);
+                    walker.walkChildNode(this, p);
+                    exitPropertiesNode(p);
+                }
+            }
+        }
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/SerializerHelper.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/SerializerHelper.java
new file mode 100644
index 000000000..db9befb21
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/SerializerHelper.java
@@ -0,0 +1,116 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
+
+/**
+ * Abstraction of an entity which helps the data format serializers to obtain
+ * schema context details and to build properties from data.
+ *
+ * @param <T> type of schema node
+ * @param <P> type of schema context
+ */
+public abstract class SerializerHelper<T, P> {
+
+    /**
+     * Schema node of the last element in the URI.
+     */
+    protected T schemaNode;
+
+    /**
+     * Root schema context.
+     */
+    protected P schemaCtx;
+
+    /**
+     * Root URI.
+     */
+    protected String rootUri;
+
+    /**
+     * Creates an instance of the serializer helper with the schema node,
+     * schema context and the URI.
+     *
+     * @param t schema node
+     * @param p schema context
+     * @param u root URI
+     */
+    protected SerializerHelper(T t, P p, String u) {
+        schemaNode = t;
+        schemaCtx = p;
+        rootUri = u;
+    }
+
+    /**
+     * Returns schema node of the last element in the URI.
+     *
+     * @return schema node
+     */
+    protected abstract T getSchemaNode();
+
+    /**
+     * Returns the root schema context.
+     *
+     * @return schema context
+     */
+    protected abstract P getSchemaCtx();
+
+    /**
+     * Returns the current schema context node.
+     *
+     * @return current schema context node
+     */
+    protected abstract T getCurSchema();
+
+    /**
+     * Adds a node to the properties node tree.
+     *
+     * @param name         name of the node
+     * @param nameSpace    name space of the node, it can be either module
+     *                     name or namespace; null indicates parent namespace
+     * @param value        value of the node; applicable for leaf/leaf-list node
+     * @param valNameSpace value namespace for identityref, could be module
+     *                     name or namespace
+     * @param type         type of node if known like in case of JSON
+     * @throws SvcLogicException when adding node fails
+     */
+    protected abstract void addNode(String name, String nameSpace, String value,
+                                    String valNameSpace, NodeType type)
+            throws SvcLogicException;
+
+    /**
+     * Exits the node, in case if it's leaf node then it adds to the properties
+     * map.
+     *
+     * @throws SvcLogicException when properties node tree is improper
+     */
+    protected abstract void exitNode() throws SvcLogicException;
+
+    /**
+     * Returns the built properties corresponding to the data.
+     *
+     * @return properties node.
+     */
+    protected abstract PropertiesNode getPropertiesNode();
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlListener.java
new file mode 100644
index 000000000..784e7af1f
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlListener.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.dom4j.Element;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Abstraction of an entity which provides call back methods, which in turn
+ * are called by XML walker while walking the XML tree. This interface needs
+ * to be implemented by protocol implementing listener based call while doing
+ * XML walk.
+ */
+public interface XmlListener extends Listener {
+
+    /**
+     * Callback invoked during a node entry. All the related information
+     * about the node can be obtained from the element.
+     *
+     * @param element  current XML element
+     * @param nodeType node type of the element
+     * @throws SvcLogicException when node type is of wrong format
+     */
+    void enterXmlElement(Element element, XmlNodeType nodeType)
+            throws SvcLogicException;
+
+    /**
+     * Callback invoked during a node exit. All the related information about
+     * the node can be obtained from the element.
+     *
+     * @param element current xml element.
+     * @throws SvcLogicException when XML node exit doesn't happen
+     */
+    void exitXmlElement(Element element) throws SvcLogicException;
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlNodeType.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlNodeType.java
new file mode 100644
index 000000000..7a6db3c86
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlNodeType.java
@@ -0,0 +1,37 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+/**
+ * Represents the XML node type.
+ */
+public enum XmlNodeType {
+
+    /**
+     * Object XML node type.
+     */
+    OBJECT_NODE,
+
+    /**
+     * Text XML node type.
+     */
+    TEXT_NODE
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlSerializer.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlSerializer.java
new file mode 100644
index 000000000..f3c6723e1
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlSerializer.java
@@ -0,0 +1,104 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.dom4j.Document;
+import org.dom4j.DocumentException;
+import org.dom4j.DocumentHelper;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeWalker;
+
+import java.io.Writer;
+import java.util.List;
+import java.util.Map;
+
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DataFormat.XML;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_LIS_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_TREE_ERR;
+
+/**
+ * Representation of XML serializer which encodes properties to XML and
+ * decodes properties from XML with the data format serializer.
+ */
+public class XmlSerializer extends DataFormatSerializer {
+
+    /**
+     * Creates an instance of XML serializer.
+     *
+     * @param serializerContext data format serializer context
+     */
+    protected XmlSerializer(DataFormatSerializerContext serializerContext) {
+        super(XML, serializerContext);
+    }
+
+    @Override
+    public String encode(Map<String, String> param,
+                         Map<String, List<Annotation>> annotations)
+            throws SvcLogicException {
+        PropertiesNode propNode = serializerContext().getPropNodeSerializer()
+                .encode(param);
+        PropertiesNodeWalker nodeWalker = new DefaultPropertiesNodeWalker<>();
+        PropertiesNodeXmlListener xmlListener = new PropertiesNodeXmlListener();
+        nodeWalker.walk(xmlListener, propNode);
+        Writer writer = xmlListener.getWriter();
+        return removeRootNode(writer.toString(), propNode.name());
+    }
+
+    @Override
+    public Map<String, String> decode(String dataFormatBody)
+            throws SvcLogicException {
+        if (!(serializerContext().listener() instanceof XmlListener)) {
+            throw new SvcLogicException(XML_LIS_ERR);
+        }
+
+        XmlListener listener = (XmlListener) serializerContext().listener();
+        XmlWalker walker = new DefaultXmlWalker();
+        Document document;
+
+        try {
+            document = DocumentHelper.parseText(dataFormatBody);
+        } catch (DocumentException e) {
+            throw new SvcLogicException(XML_TREE_ERR, e);
+        }
+        walker.walk(listener, document.getRootElement());
+
+        return serializerContext().getPropNodeSerializer().decode(
+                listener.serializerHelper().getPropertiesNode());
+    }
+
+    /**
+     * Removes root node from the XML data format message and makes the
+     * string to be pretty print.
+     *
+     * @param xml      XML data format message
+     * @param rootName root node name
+     * @return pretty print format XML message
+     */
+    private static String removeRootNode(String xml, String rootName) {
+        xml = xml.replace("\n<" + rootName + ">", "\n");
+        xml = xml.replace("</" + rootName + ">" + "\n", "");
+        xml = xml.replaceAll("\n" + "    ", "\n");
+        xml = xml.replaceFirst("\n", "");
+        return xml;
+    }
+}
\ No newline at end of file
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlWalker.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlWalker.java
new file mode 100644
index 000000000..3835faa7e
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlWalker.java
@@ -0,0 +1,44 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.dom4j.Element;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Abstraction of an entity which provides interface for XML walk. This
+ * interface serves as a common tool for anyone who needs to parse the XML
+ * node with depth-first algorithm.
+ */
+public interface XmlWalker {
+
+    /**
+     * Walks the XML data tree. Protocols implement XML listener service and
+     * walks the XML tree with input as implemented object. XML walker
+     * provides call back to the implemented methods.
+     *
+     * @param listener   XML listener implemented by the protocol
+     * @param xmlElement root element of the XML data tree
+     * @throws SvcLogicException when walking the XML node fails
+     */
+    void walk(XmlListener listener, Element xmlElement) throws
+            SvcLogicException;
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/YangParameters.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/YangParameters.java
new file mode 100644
index 000000000..8eb3fb6e8
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/YangParameters.java
@@ -0,0 +1,42 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Modifications Copyright © 2018 IBM
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.onap.ccsdk.sli.plugins.restapicall.Parameters;
+
+/**
+ * Representation of the YANG parameters for the restconf api call node.
+ */
+public class YangParameters extends Parameters {
+    /**
+     * Directory path of the YANG file.
+     */
+    public String dirPath;
+
+    /**
+     * Creates an instance of the YANG parameters.
+     */
+    public YangParameters() {
+        super();
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DataNodeChild.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DataNodeChild.java
new file mode 100644
index 000000000..7be54690a
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DataNodeChild.java
@@ -0,0 +1,27 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+/**
+ * Abstraction of entity representing child's to data node.
+ */
+public interface DataNodeChild extends NodeChild {
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeListener.java
new file mode 100644
index 000000000..2fa00bfb7
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeListener.java
@@ -0,0 +1,105 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.COLON;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.UNDERSCORE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
+
+/**
+ * Represents implementation of PropertiesNodeListener.
+ */
+public class DefaultPropertiesNodeListener implements PropertiesNodeListener {
+
+    private Map<String, String> params = new HashMap<>();
+
+    @Override
+    public void start(PropertiesNode node) {
+        // do nothing
+    }
+
+    @Override
+    public void end(PropertiesNode node) throws SvcLogicException {
+        exitPropertiesNode(node);
+    }
+
+    @Override
+    public void enterPropertiesNode(PropertiesNode node) {
+        /*
+         * Only if it is leaf node or leaf-list node,
+         * then create a property entry and add to map
+         */
+        if (node.nodeType() == SINGLE_INSTANCE_LEAF_NODE
+                || node.nodeType() == MULTI_INSTANCE_LEAF_NODE) {
+            String val = ((LeafNode) node).value();
+            if (((LeafNode) node).valueNs() != null) {
+                val = ((LeafNode) node).valueNs().moduleName() + COLON + val;
+            }
+            String uri = node.uri().replaceAll(COLON, UNDERSCORE);
+            params.put(uri, val);
+        }
+    }
+
+    @Override
+    public void exitPropertiesNode(PropertiesNode node) throws
+            SvcLogicException {
+        if (!node.augmentations().isEmpty()) {
+            for (Map.Entry<Object, Collection<PropertiesNode>> augmentationTochild
+                    : node.augmentations().asMap().entrySet()) {
+                Collection<PropertiesNode> childsFromAugmentations = augmentationTochild
+                        .getValue();
+                if (!childsFromAugmentations.isEmpty()) {
+                    PropertiesNodeWalker walker = new DefaultPropertiesNodeWalker<>();
+                    for (PropertiesNode pNode : childsFromAugmentations) {
+                        enterPropertiesNode(pNode);
+                        walker.walk(this, pNode);
+                        exitPropertiesNode(pNode);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Returns properties.
+     *
+     * @return properties
+     */
+    public Map<String, String> params() {
+        return params;
+    }
+
+    /**
+     * Sets properties.
+     *
+     * @param params properties
+     */
+    public void params(Map<String, String> params) {
+        this.params = params;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeWalker.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeWalker.java
new file mode 100644
index 000000000..5034530d5
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeWalker.java
@@ -0,0 +1,119 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import java.util.Collection;
+import java.util.Map;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Implementation of properties node walker which helps in forming a new tree from properties node.
+ *
+ * @param <T> node child of properties node.
+ */
+public class DefaultPropertiesNodeWalker<T extends NodeChild> implements PropertiesNodeWalker {
+
+    @Override
+    public void walk(PropertiesNodeListener listener,
+                     PropertiesNode propertiesNode) throws SvcLogicException {
+        listener.start(propertiesNode);
+        walkChildNode(listener, propertiesNode);
+        listener.end(propertiesNode);
+    }
+
+    /**
+     * Walks the children node from the parent node.
+     *
+     * @param listener properties node listener
+     * @param propertiesNode properties node
+     * @throws SvcLogicException when properties node walking fails
+     */
+    public void walkChildNode(PropertiesNodeListener listener,
+                              PropertiesNode propertiesNode)
+            throws SvcLogicException {
+        Map<String, T> children = getChildren(propertiesNode);
+        if (children != null) {
+            for (Map.Entry<String, T> entry : children.entrySet()) {
+                PropertiesNode node = ((PropertiesNode) entry.getValue());
+                listener.enterPropertiesNode(node);
+                walkChildNode(listener, node);
+                listener.exitPropertiesNode(node);
+            }
+        }
+        if (propertiesNode instanceof RootNode) {
+            processAugments(propertiesNode, listener);
+        }
+    }
+
+    /**
+     * Processes the augments present in the root node.
+     *
+     * @param node     root node
+     * @param listener properties node listener
+     * @throws SvcLogicException when augment node walking fails
+     */
+    private void processAugments(PropertiesNode node,
+                                 PropertiesNodeListener listener)
+            throws SvcLogicException {
+        for (Map.Entry<Object, Collection<PropertiesNode>>
+                augToChild : node.augmentations().asMap().entrySet()) {
+            Collection<PropertiesNode> child = augToChild.getValue();
+            if (!child.isEmpty()) {
+                for (PropertiesNode p : child) {
+                    listener.enterPropertiesNode(p);
+                    walkChildNode(listener, p);
+                    listener.exitPropertiesNode(p);
+                }
+            }
+        }
+    }
+
+    /**
+     * Returns the children node according to the property node type.
+     *
+     * @param value property node
+     * @return property node children
+     */
+    private Map<String,T> getChildren(PropertiesNode value) {
+        if (value instanceof RootNode) {
+            return ((RootNode) value).children();
+        }
+        switch (value.nodeType()) {
+            case SINGLE_INSTANCE_NODE:
+                return ((InnerNode) value).children();
+            case MULTI_INSTANCE_HOLDER_NODE:
+                return ((Map<String, T>) ((ListHolderNode) value).children());
+            case MULTI_INSTANCE_NODE:
+                return ((Map<String, T>) ((MultiInstanceNode) value)
+                        .children());
+            case MULTI_INSTANCE_LEAF_HOLDER_NODE:
+                return ((Map<String, T>) ((LeafListHolderNode) value)
+                        .children());
+            case SINGLE_INSTANCE_LEAF_NODE:
+            case MULTI_INSTANCE_LEAF_NODE:
+            case ANY_XML_NODE:
+                return null;
+            default:
+                throw new IllegalArgumentException("No more types allowed");
+        }
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/HolderNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/HolderNode.java
new file mode 100644
index 000000000..52bec3412
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/HolderNode.java
@@ -0,0 +1,59 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Abstraction of an entity that represents holder node to multi instance node
+ * in properties data tree.
+ *
+ * @param <T> type of child
+ */
+public abstract class HolderNode<T extends NodeChild> extends PropertiesNode {
+
+    private Map<String, T> children = new HashMap<>();
+
+    protected HolderNode(String name, Namespace namespace, String uri,
+                         PropertiesNode parent, Object appInfo,
+                         NodeType nodeType) {
+        super(name, namespace, uri, parent, appInfo, nodeType);
+    }
+
+    /**
+     * Returns children.
+     *
+     * @return children
+     */
+    public Map<String, T> children() {
+        return children;
+    }
+
+    /**
+     * Returns child based on index.
+     *
+     * @return child based on index
+     */
+    public T child(String index) {
+        return children.get(index);
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/InnerNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/InnerNode.java
new file mode 100644
index 000000000..1cf99b2d4
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/InnerNode.java
@@ -0,0 +1,215 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.addToAugmentations;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.createNode;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getAugmentationNode;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getUri;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.isNamespaceAsParent;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.resolveName;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_HOLDER_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_HOLDER_NODE;
+import static org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils.findCorrespondingAugment;
+
+/**
+ * Abstraction of an entity that represents an inner node to properties data
+ * tree.
+ *
+ * @param <T> type of child
+ */
+public abstract class InnerNode<T extends NodeChild> extends PropertiesNode {
+
+    private Map<String, T> children = new HashMap<String, T>();
+
+    protected InnerNode(String name, Namespace namespace, String uri,
+                        PropertiesNode parent, Object appInfo, NodeType nodeType) {
+        super(name, namespace, uri, parent, appInfo, nodeType);
+    }
+
+    /**
+     * Returns children.
+     *
+     * @return children
+     */
+    public Map<String, T> children() {
+        return children;
+    }
+
+    /**
+     * Sets children.
+     *
+     * @param children child nodes
+     */
+    public void children(Map<String, T> children) {
+        this.children = children;
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        PropertiesNode node = ((PropertiesNode) children.get(name));
+        if (node != null) {
+            return node;
+        }
+
+        // get augment schema, if it is augmented node
+        AugmentationSchemaNode augSchema = null;
+        if (((DataSchemaNode) appInfo).isAugmenting()) {
+            augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()), ((DataSchemaNode) appInfo));
+            node = getAugmentationNode(augSchema, this, name);
+        }
+
+        // create node based on type
+        if (node == null) {
+            String uri = getUri(this, name, namespace);
+            node = createNode(name, namespace, uri, this, appInfo, type);
+        }
+
+        // If namespace is not same as parent then it is augmented node
+        if (augSchema != null && !isNamespaceAsParent(this, node)) {
+            addToAugmentations(augSchema, this, node);
+        } else {
+            children.put(name, ((T) node));
+        }
+        return node;
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type, String value,
+                                   Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        LeafNode node = ((LeafNode) children.get(name));
+        if (node != null) {
+            return  node;
+        }
+
+        AugmentationSchemaNode augSchema = null;
+        String uri = getUri(this, name, namespace);
+        node = new LeafNode(name, namespace, uri, this,
+                            appInfo, type, value);
+
+        if (type != NodeType.ANY_XML_NODE) {
+            if (((DataSchemaNode) appInfo).isAugmenting()) {
+                augSchema = findCorrespondingAugment(
+                        ((DataSchemaNode) this.appInfo()),
+                        ((DataSchemaNode) appInfo));
+            }
+            node.valueNs(valueNs);
+        }
+
+        if (augSchema != null && !isNamespaceAsParent(this, node)) {
+            addToAugmentations(augSchema, this, node);
+        } else {
+            children.put(name, ((T) node));
+        }
+        return node;
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace, NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        String localname = resolveName(name);
+        PropertiesNode node = ((PropertiesNode) children.get(localname));
+
+        if (node == null) {
+            AugmentationSchemaNode augSchema = null;
+            if (((DataSchemaNode) appInfo).isAugmenting()) {
+                augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
+                                                     ((DataSchemaNode) appInfo));
+                node = getAugmentationNode(augSchema, this, localname);
+            }
+
+            if (node == null) {
+                String uri = getUri(this, name, namespace);
+                node = new ListHolderNode(localname, namespace, uri,
+                                          this, appInfo, MULTI_INSTANCE_HOLDER_NODE);
+            }
+
+            if (augSchema != null && !isNamespaceAsParent(this, node)) {
+                addToAugmentations(augSchema, this, node);
+            } else {
+                children.put(localname, ((T) node));
+            }
+
+            node = node.addChild(index, localname, namespace, type, appInfo);
+        } else if (node instanceof ListHolderNode) {
+            ListHolderChild child = ((ListHolderNode) node).child(index);
+            node = (child != null ? ((MultiInstanceNode) child) :
+                    node.addChild(index, localname, namespace, type, appInfo));
+        } else {
+            throw new SvcLogicException("Duplicate node exist with same node");
+        }
+        return node;
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace, NodeType type,
+                                   String value, Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        String localName = resolveName(name);
+        PropertiesNode node = ((PropertiesNode) children.get(localName));
+
+        if (node == null) {
+
+            AugmentationSchemaNode augSchema = null;
+            if (((DataSchemaNode) appInfo).isAugmenting()) {
+                augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
+                                                     ((DataSchemaNode) appInfo));
+                node = getAugmentationNode(augSchema, this, localName);
+            }
+
+            if (node == null) {
+                String uri = getUri(this, name, namespace);
+                node = new LeafListHolderNode(localName, namespace, uri, this,
+                                              appInfo, MULTI_INSTANCE_LEAF_HOLDER_NODE);
+            }
+
+            if (augSchema != null && !isNamespaceAsParent(this, node)) {
+                addToAugmentations(augSchema, this, node);
+            } else {
+                children.put(localName, ((T) node));
+            }
+
+            node = node.addChild(index, localName, namespace, type, value, valueNs, appInfo);
+        } else if (node instanceof LeafListHolderNode) {
+            LeafNode child = ((LeafNode) ((HolderNode) node).child(index));
+            node = (child != null ? child : node.addChild(index, localName,
+                                                          namespace, type,
+                                                          value, valueNs,
+                                                          appInfo));
+        } else {
+            throw new SvcLogicException("Duplicate node exist with same node");
+        }
+        return node;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderChild.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderChild.java
new file mode 100644
index 000000000..e43249a3d
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderChild.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+/**
+ * Abstraction of entity representing child's to leaf list holder.
+ */
+public interface LeafListHolderChild extends NodeChild {
+
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderNode.java
new file mode 100644
index 000000000..46ab5bb63
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderNode.java
@@ -0,0 +1,93 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Modifications Copyright © 2018 IBM
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Representation of leaf list holder node which will hold multi instance leaf
+ * node in properties data tree.
+ */
+public class LeafListHolderNode extends HolderNode<LeafListHolderChild> implements DataNodeChild {
+
+    private static final String node = " holder node";
+
+    /**
+     * Creates an instance of LeafListHolderNode.
+     *
+     * @param name name of the leaf-list node
+     * @param namespace namespace of the leaf-list node
+     * @param uri uri of the leaf-list node
+     * @param parent parent node of the leaf-list
+     * @param appInfo application info
+     * @param nodeType node type
+     */
+    public LeafListHolderNode(String name, Namespace namespace,
+                              String uri, PropertiesNode parent,
+                              Object appInfo, NodeType nodeType) {
+        super(name, namespace, uri, parent, appInfo, nodeType);
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type, String value,
+                                   Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException("Leaf cannot be child of leaf-list" +
+                                                   node);
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException("Container cannot be child of leaf-list" +
+                                                   node);
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace,
+                                   NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException("List cannot be child of leaf-list" +
+                                                   node);
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace, NodeType type,
+                                   String value, Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        LeafNode node = ((LeafNode) children().get(index));
+        if (index == null) {
+            index = String.valueOf(children().size());
+        }
+        String uri = this.uri() + "[" + index + "]";
+        node = (node != null) ? node : new LeafNode(name, namespace, uri,
+                                                    this, appInfo, type, value);
+        node.valueNs(valueNs);
+        children().put(index, node);
+        return node;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafNode.java
new file mode 100644
index 000000000..041175ca7
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafNode.java
@@ -0,0 +1,122 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ *
+ * Modifications Copyright © 2018 IBM
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Representation of leaf node in properties data tree.
+ */
+public class LeafNode extends PropertiesNode implements LeafListHolderChild, DataNodeChild {
+
+    private String value;
+    private Namespace valueNs;
+    private static final String svcLogicException = "Leaf cannot hold child nodes";
+
+    /**
+     * Creates an instance of leaf node.
+     *
+     * @param name name of the leaf node
+     * @param namespace namespace of the leaf node
+     * @param uri uri of the leaf node
+     * @param parent parent of the leaf node
+     * @param appInfo application info
+     * @param nodeType node type
+     * @param value value of the leaf
+     */
+    public LeafNode(String name, Namespace namespace,
+                    String uri, PropertiesNode parent,
+                    Object appInfo, NodeType nodeType,
+                    String value) {
+        super(name, namespace, uri, parent, appInfo, nodeType);
+        this.value = value;
+    }
+
+    /**
+     * Returns value of the leaf.
+     *
+     * @return value of the leaf
+     */
+    public String value() {
+        return value;
+    }
+
+    /**
+     * Sets value of the leaf.
+     *
+     * @param value value of the leaf
+     */
+    public void value(String value) {
+        this.value = value;
+    }
+
+    /**
+     * Returns value namespace.
+     *
+     * @return value namespace
+     */
+    public Namespace valueNs() {
+        return valueNs;
+    }
+
+    /**
+     * Sets value namespace.
+     *
+     * @param valueNs value namespace
+     */
+    public void valueNs(Namespace valueNs) {
+        this.valueNs = valueNs;
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException(svcLogicException);
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type, String value,
+                                   Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException(svcLogicException);
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace,
+                                   NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException(svcLogicException);
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace,
+                                   NodeType type, String value,
+                                   Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException("Leaf cannot hold child nodes");
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderChild.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderChild.java
new file mode 100644
index 000000000..ec9cc2a0f
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderChild.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+/**
+ * Abstraction of entity representing child's to list holder.
+ */
+public interface ListHolderChild extends NodeChild {
+
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderNode.java
new file mode 100644
index 000000000..ba9da54cf
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderNode.java
@@ -0,0 +1,73 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Representation of list holder node which will hold multi instance node in
+ * properties data tree.
+ */
+public class ListHolderNode extends HolderNode<ListHolderChild> implements DataNodeChild {
+
+    protected ListHolderNode(String name, Namespace namespace, String uri,
+                          PropertiesNode parent, Object appInfo, NodeType nodeType) {
+        super(name, namespace, uri, parent, appInfo, nodeType);
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type, String value,
+                                   Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException("Leaf cannot be child of list holder node");
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException("Container cannot be child of list holder node");
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace, NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        MultiInstanceNode node = ((MultiInstanceNode) children().get(index));
+        if (index == null) {
+            index = String.valueOf(children().size());
+        }
+        String uri = this.uri() + "[" + index + "]";
+        node = (node != null) ? node : new MultiInstanceNode(name, namespace, uri,
+                                                             this, appInfo, type);
+        children().put(index, node);
+        return node;
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace, NodeType type,
+                                   String value, Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        throw new SvcLogicException("Leaf-list cannot be child of list holder node");
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeSerializer.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeSerializer.java
new file mode 100644
index 000000000..8a6e75668
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeSerializer.java
@@ -0,0 +1,227 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
+import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.DOT_REGEX;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.SLASH;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getChildSchemaNode;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getIndex;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getListName;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getNamespace;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getNodeType;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getParsedValue;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getProcessedPath;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getRevision;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getValueNamespace;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.resolveName;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.ANY_XML_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
+
+/**
+ * Representation of mdsal based properties node serializer implementation.
+ */
+public class MdsalPropertiesNodeSerializer extends PropertiesNodeSerializer<SchemaNode, SchemaContext> {
+
+    private static final Logger log = LoggerFactory.getLogger(
+            MdsalPropertiesNodeSerializer.class);
+    private SchemaNode curSchema;
+    private PropertiesNode node;
+
+    /**
+     * Creates the properties node serializer.
+     *
+     * @param schemaNode schema node.
+     * @param schemaCtx  schema context
+     * @param uri        URL of the request
+     */
+    public MdsalPropertiesNodeSerializer(SchemaNode schemaNode,
+                                         SchemaContext schemaCtx, String uri) {
+        super(schemaNode, schemaCtx, uri);
+    }
+
+    @Override
+    public PropertiesNode encode(Map<String, String> paramMap) throws SvcLogicException {
+        curSchema = schemaNode();
+        String nodeInUri[] = uri().split("\\/");
+        String lastNodeName = nodeInUri[nodeInUri.length - 1];
+        String rootUri = uri().replaceAll("\\/", "\\.");
+        node = createRootNode(lastNodeName, rootUri);
+
+        paramMap = convertToValidParam(paramMap);
+
+        updateModNameReq(paramMap, rootUri);
+
+        for (Map.Entry<String, String> entry : paramMap.entrySet()) {
+            String[] names = entry.getKey().split("\\.");
+            for (int i = 0; i < names.length; i++) {
+                if (i < nodeInUri.length) {
+                    if (!(nodeInUri[i].equals(names[i]))) {
+                        break;
+                    }
+                } else {
+                    createPropertyNode(i, names.length, names[i],
+                                       entry.getValue());
+                }
+            }
+        }
+        return node;
+    }
+
+    private void updateModNameReq(Map<String, String> paramMap,
+                                  String rootUri) {
+        String isReqStr = rootUri + "." + "isNonAppend";
+        String val = paramMap.get(isReqStr);
+        if (val != null && val.equals("true")) {
+            node.nonAppend(true);
+        }
+    }
+
+    /**
+     * Converts all the params in the svc logic context into a valid param by
+     * replacing the underscore in module name to colon at necessary places.
+     *
+     * @param paramMap list of invalid parameters
+     * @return list of partially valid parameters
+     */
+    private Map<String, String> convertToValidParam(Map<String, String> paramMap) {
+        Map<String, String> fixedParams = new HashMap<>();
+        for(Map.Entry<String, String> entry : paramMap.entrySet()) {
+            String key = entry.getKey().replaceAll(DOT_REGEX, SLASH);
+            try {
+                SchemaPathHolder fixedUrl = getProcessedPath(key, schemaCtx());
+                String fixedUri = fixedUrl.getUri().replaceAll(
+                        SLASH, DOT_REGEX);
+                fixedParams.put(fixedUri, entry.getValue());
+            } catch (IllegalArgumentException | RestconfDocumentedException
+                    | NullPointerException e) {
+                log.info("Exception while processing properties by replacing " +
+                    "underscore with colon. Process the properties as it is." + e);
+                fixedParams.put(entry.getKey(), entry.getValue());
+            }
+        }
+        return fixedParams;
+    }
+
+    @Override
+    public Map<String, String> decode(PropertiesNode propertiesNode)
+            throws SvcLogicException {
+        PropertiesNodeWalker walker = new DefaultPropertiesNodeWalker<>();
+        DefaultPropertiesNodeListener listener = new DefaultPropertiesNodeListener();
+        walker.walk(listener, propertiesNode);
+        return listener.params();
+    }
+
+    private RootNode createRootNode(String lastNodeName, String rootUri) {
+        Module m = SchemaContextUtil.findParentModule(schemaCtx(), curSchema);
+        Namespace ns = new Namespace(m.getName(), m.getNamespace(),
+                                     getRevision(m.getRevision()));
+        return new RootNode(lastNodeName, ns, schemaNode(), rootUri);
+    }
+
+    private void createPropertyNode(int index, int length, String name,
+                                    String value) throws SvcLogicException {
+
+        Namespace ns = getNamespace(getListName(name), schemaCtx(),
+                                    node, curSchema);
+        String localName = resolveName(ns, name);
+        SchemaNode schema = getChildSchemaNode(curSchema, localName, ns);
+        if (schema == null) {
+            return;
+        }
+
+        switch (getNodeType(index, length, name, schema)) {
+            case SINGLE_INSTANCE_NODE:
+                node = node.addChild(localName, ns,
+                                     SINGLE_INSTANCE_NODE, schema);
+                curSchema = schema;
+                break;
+
+            case MULTI_INSTANCE_NODE:
+                node = node.addChild(getIndex(name), localName, ns,
+                                     MULTI_INSTANCE_NODE, schema);
+                curSchema = schema;
+                break;
+
+            case SINGLE_INSTANCE_LEAF_NODE:
+                addLeafNode(value, SINGLE_INSTANCE_LEAF_NODE, localName,
+                               ns, schema, name);
+                break;
+
+            case MULTI_INSTANCE_LEAF_NODE:
+                addLeafNode(value, MULTI_INSTANCE_LEAF_NODE, localName,
+                               ns, schema, name);
+                break;
+
+            case ANY_XML_NODE:
+                node = node.addChild(localName, ns, ANY_XML_NODE,
+                                     value, null, schema);
+                node = node.endNode();
+                curSchema = ((SchemaNode) node.appInfo());
+                break;
+
+            default:
+                throw new SvcLogicException("Invalid node type");
+        }
+    }
+
+    /**
+     * Adds leaf property node to the current node.
+     *
+     * @param value value of the leaf node
+     * @param type single instance or multi instance leaf node
+     * @param localName name of the leaf node
+     * @param ns namespace of the leaf node
+     * @param schema schema of the leaf node
+     * @param name name of the leaf in properties
+     * @throws SvcLogicException exception while adding leaf node
+     */
+    private void addLeafNode(String value, NodeType type,
+                                String localName, Namespace ns,
+                                SchemaNode schema, String name) throws SvcLogicException {
+        Namespace valNs = getValueNamespace(value, schemaCtx());
+        value = getParsedValue(valNs, value);
+        if (SINGLE_INSTANCE_LEAF_NODE == type) {
+            node = node.addChild(localName, ns, SINGLE_INSTANCE_LEAF_NODE,
+                                 value, valNs, schema);
+        } else {
+            node = node.addChild(getIndex(name), localName, ns,
+                                 MULTI_INSTANCE_LEAF_NODE, value,
+                                 valNs, schema);
+        }
+        node = node.endNode();
+        curSchema = ((SchemaNode) node.appInfo());
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeUtils.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeUtils.java
new file mode 100644
index 000000000..e6fa064f5
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeUtils.java
@@ -0,0 +1,578 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import java.util.Collection;
+import java.util.Deque;
+import java.util.Iterator;
+import java.util.Optional;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
+import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.Revision;
+import org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils;
+import org.opendaylight.yangtools.yang.data.util.ParserStreamUtils;
+import org.opendaylight.yangtools.yang.data.util.codec.IdentityCodecUtil;
+import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
+import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.lang.String.format;
+import static java.util.regex.Pattern.quote;
+import static org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserIdentifier.toInstanceIdentifier;
+
+/**
+ * Represents utilities for properties node tree.
+ */
+public final class MdsalPropertiesNodeUtils {
+
+    static final String COLON = ":";
+
+    static final String UNDERSCORE = "_";
+
+    static final String SLASH = "/";
+
+    static final String DOT_REGEX = "\\.";
+
+    private static final String INFO_MSG = "The %s formed is currently not" +
+            " valid";
+
+    private static final String EXC_MSG = "Unable to form a formatted path";
+
+    /**
+     * Logger for the Mdsal properties util class.
+     */
+    private static final Logger log = LoggerFactory.getLogger(
+            MdsalPropertiesNodeUtils.class);
+
+    private MdsalPropertiesNodeUtils() {
+    }
+
+    /**
+     * Returns the index from multi instance property name.
+     *
+     * @param name name of the property
+     * @return index from multi instance property name
+     */
+    public static String getIndex(String name) {
+        return name.substring(name.indexOf("[") + 1,
+                              name.indexOf("]"));
+    }
+
+    /**
+     * Returns the multi instance property name.
+     *
+     * @param name name of the property
+     * @return the multi instance property name
+     */
+    public static String getListName(String name) {
+        String[] s = name.split("\\[");
+        return s[0];
+    }
+
+    /**
+     * Returns true if property is multi instance.
+     *
+     * @param name name of the property
+     * @return true if property is multi instance
+     */
+    public static boolean isListEntry(String name) {
+        String s[] = name.split("\\[");
+        return s.length > 1;
+    }
+
+    /**
+     * Returns name of the property after pruning namespace and
+     * index if the property is multi instance.
+     *
+     * @param name name of the property
+     * @return name of the property
+     */
+    static String resolveName(String name) {
+        String localName = getListName(name);
+        final int lastIndexOfColon = localName.lastIndexOf(":");
+        if (lastIndexOfColon != -1) {
+            localName = localName.substring(lastIndexOfColon + 1);
+        }
+        return localName;
+    }
+
+    /**
+     * Returns name of the property after pruning namespace and index if the
+     * property is multi instance by knowing the module name from namespace.
+     *
+     * @param ns   namespace
+     * @param name name of the node
+     * @return resolved name
+     */
+    static String resolveName(Namespace ns, String name) {
+        String localName = getListName(name);
+        String modName = ns.moduleName();
+        if ((localName.contains(COLON) || localName.contains(UNDERSCORE))
+                && localName.startsWith(modName)) {
+            localName = localName.substring(modName.length()+1);
+        }
+        return localName;
+    }
+
+    /**
+     * Adds current node to parent's augmentation map.
+     *
+     * @param augSchema augment schema
+     * @param parent parent property node
+     * @param curNode current property node
+     */
+    public static void addToAugmentations(AugmentationSchemaNode augSchema,
+                                          PropertiesNode parent,
+                                          PropertiesNode curNode) {
+        Collection<PropertiesNode> childsFromAugmentation = parent
+                .augmentations().get(augSchema);
+        if (!childsFromAugmentation.isEmpty()) {
+            for (PropertiesNode pNode : childsFromAugmentation) {
+                if (pNode.name().equals(curNode.name())) {
+                    return;
+                }
+            }
+        }
+        parent.augmentations().put(augSchema, curNode);
+    }
+
+
+    /**
+     * Returns augmented properties node if it is already
+     * added in properties tree.
+     *
+     * @param augSchema augmented schema node
+     * @param parent parent properties node
+     * @param name name of the properties
+     * @return augmented properties node if it is already added
+     */
+    public static PropertiesNode getAugmentationNode(
+            AugmentationSchemaNode augSchema,
+            PropertiesNode parent, String name) {
+        if (augSchema == null) {
+            return null;
+        }
+
+        Collection<PropertiesNode> childsFromAugmentation = parent
+            .augmentations().get(augSchema);
+        if (!childsFromAugmentation.isEmpty()) {
+            for (PropertiesNode pNode : childsFromAugmentation) {
+                if (pNode.name().equals(name)) {
+                    return pNode;
+                }
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Creates uri with specified name and namespace.
+     *
+     * @param parent parent properties node
+     * @param name name of the node
+     * @param ns namespace of the node
+     * @return uri with specified name and namespace
+     */
+    public static String getUri(PropertiesNode parent, String name,
+                                Namespace ns) {
+        String uri = name;
+        if (!(parent.namespace().moduleNs().equals(ns.moduleNs()))) {
+            uri = ns.moduleName() + ":" + name;
+        }
+        return parent.uri() + "." + uri;
+    }
+
+    /**
+     * Creates new properties with specified parameters.
+     *
+     * @param name name of the properties node
+     * @param namespace namespace of the properties node
+     * @param uri uri of the properties node
+     * @param parent parent node
+     * @param appInfo application info
+     * @param type node type
+     * @return new properties node
+     * @throws SvcLogicException exception while creating properties node
+     */
+    public static PropertiesNode createNode(String name, Namespace namespace,
+                                            String uri, PropertiesNode parent,
+                                            Object appInfo, NodeType type)
+            throws SvcLogicException {
+        switch (type) {
+            case SINGLE_INSTANCE_NODE:
+                return new SingleInstanceNode(name, namespace, uri, parent, appInfo, type);
+            case MULTI_INSTANCE_HOLDER_NODE:
+                return new ListHolderNode(name, namespace, uri, parent, appInfo, type);
+            case MULTI_INSTANCE_LEAF_HOLDER_NODE:
+                return new LeafListHolderNode(name, namespace, uri, parent, appInfo, type);
+            default:
+                throw new SvcLogicException("Invalid node type " + type);
+        }
+    }
+
+    /**
+     * Returns true if namespace is same as parent's namespace.
+     *
+     * @param parent parent property node
+     * @param curNode current property node
+     * @return true if namespace is same as parent namespace
+     */
+    public static boolean isNamespaceAsParent(PropertiesNode parent,
+                                              PropertiesNode curNode) {
+        return parent.namespace().moduleNs().equals(curNode.namespace().moduleNs());
+    }
+
+    /**
+     * Returns the schema path holder with a formatted url and the instance
+     * identifier context from a given uri or the parameters from svc logic
+     * context.
+     *
+     * @param uri     unformatted uri or parameter
+     * @param context schema context
+     * @return schema path holder
+     */
+    public static SchemaPathHolder getProcessedPath(String uri,
+                                                    SchemaContext context) {
+
+        String uri1 = uri.replaceAll(UNDERSCORE, COLON);
+        try {
+            InstanceIdentifierContext<?> id = toInstanceIdentifier(
+                    uri1, context, null);
+            return new SchemaPathHolder(id, uri1);
+        } catch (IllegalArgumentException | RestconfDocumentedException
+                | NullPointerException e) {
+            log.info("Exception while converting uri to instance identifier" +
+                " context. Process each node in uri to get instance identifier" +
+                " context " + e);
+            return processNodesAndAppendPath(uri, context);
+        }
+    }
+
+    /**
+     * Processes the nodes in the given uri and finds instance identifier
+     * context till it reaches the last node in uri. If its not able to find
+     * schema for the path, it appends the suffix part and puts it back in
+     * the param list.
+     *
+     * @param uri     uri with underscore
+     * @param context schema context
+     * @return schema and path holder
+     */
+    private static SchemaPathHolder processNodesAndAppendPath(String uri,
+                                                              SchemaContext context) {
+
+        String actPath = "";
+        SchemaPathHolder id = new SchemaPathHolder(null, "");
+        String[] uriParts = uri.split(SLASH);
+        String sec = "";
+        if (uri.contains(UNDERSCORE)) {
+            sec = uri.substring(uriParts[0].length()+1);
+        }
+        for (int i = 0; i<uriParts.length; i++) {
+
+            try {
+                id = processIdentifier(uriParts[i], context, actPath);
+            } catch (IllegalArgumentException e) {
+                log.info(format(EXC_MSG, e));
+                id.setUri(actPath+ uriParts[i] + sec);
+                return id;
+            }
+
+            actPath = actPath + id.getUri() + SLASH;
+            if (sec.startsWith(SLASH)) {
+                sec = sec.replaceFirst(SLASH, "");
+            }
+            if (i+1 < uriParts.length) {
+                sec = sec.replaceFirst(quote(uriParts[i + 1]), "");
+            }
+        }
+        id.setUri(actPath.substring(0,actPath.length() - 1));
+        return id;
+    }
+
+    /**
+     * Processes the schema and path holder for a given node in the path. It
+     * figures if the path is valid by replacing underscore in the node
+     * consecutively, till it finds the proper schema for the node.
+     *
+     * @param node    node in the path
+     * @param context schema context
+     * @param prefix  prefix for the node in the path
+     * @return schema and path holder
+     */
+    private static SchemaPathHolder processIdentifier(String node,
+                                                      SchemaContext context,
+                                                      String prefix) {
+
+        String[] values = node.split(UNDERSCORE);
+        String val = values[0];
+        StringBuilder firstHalf = new StringBuilder();
+        String secondHalf = "";
+        if (node.contains(UNDERSCORE)) {
+            secondHalf = node.substring(values[0].length()+1);
+        }
+        InstanceIdentifierContext<?> id;
+        for (int i = 0; i< values.length-1; i++) {
+            val = values[i];
+            val = firstHalf + val + COLON + secondHalf;
+            try {
+                id = toInstanceIdentifier(prefix + val, context, null);
+                return new SchemaPathHolder(id, val);
+            } catch (IllegalArgumentException | RestconfDocumentedException |
+                    NullPointerException e) {
+                log.info(format(INFO_MSG, val, e));
+            }
+            firstHalf.append(values[i]).append(UNDERSCORE);
+            secondHalf = secondHalf.replaceFirst(
+                    values[i + 1] + UNDERSCORE,"");
+        }
+        val = val.replace(COLON,UNDERSCORE);
+        try {
+            id = toInstanceIdentifier(prefix + val, context, null);
+            return new SchemaPathHolder(id, val);
+        } catch (IllegalArgumentException | RestconfDocumentedException |
+                NullPointerException e1) {
+            throw new IllegalArgumentException(EXC_MSG, e1);
+        }
+    }
+
+    /**
+     * Returns the namespace of the given node name. If the node name is
+     * separated by colon, the it splits with colon and forms the namespace.
+     * If the node name is formed with underscore, then it splits the node
+     * name consecutively to figure out the proper module name.
+     *
+     * @param childName node name
+     * @param ctx       schema context
+     * @param parent    parent properties node
+     * @param curSchema current schema
+     * @return namespace of the given node
+     */
+    static Namespace getNamespace(String childName, SchemaContext ctx,
+                                  PropertiesNode parent, SchemaNode curSchema) {
+
+        Namespace parentNs = parent.namespace();
+        Namespace ns = new Namespace(parentNs.moduleName(),
+                                     parentNs.moduleNs(), parentNs.revision());
+        int lastIndexOfColon = childName.lastIndexOf(COLON);
+        if (lastIndexOfColon != -1) {
+            String moduleName = childName.substring(0, lastIndexOfColon);
+            childName = childName.substring(lastIndexOfColon+1);
+            Namespace ns1 = getNs(moduleName, ctx);
+            if (ns1 != null) {
+                ns = ns1;
+            }
+        }
+
+        SchemaNode child = getChildSchemaNode(curSchema, childName, ns);
+
+        if (child == null && childName.contains(UNDERSCORE)) {
+            String[] children = childName.split(UNDERSCORE);
+            String second = childName.substring(children[0].length() + 1);
+            StringBuilder first = new StringBuilder();
+
+            for (int i =0; i< children.length; i++) {
+                String moduleName = first + children[i];
+                Namespace newNs = getNs(moduleName, ctx);
+                if (newNs != null) {
+                    return newNs;
+                }
+                first.append(children[i]).append(UNDERSCORE);
+                if (i + 1 < children.length) {
+                    second = second.replaceFirst(
+                            children[i + 1] + UNDERSCORE, "");
+                }
+            }
+            return ns;
+        }
+        return ns;
+    }
+
+    /**
+     * Returns the namespace by finding the given module in the schema context.
+     *
+     * @param modName module name
+     * @param ctx     schema context
+     * @return namespace of the given node name
+     */
+    private static Namespace getNs(String modName, SchemaContext ctx) {
+        Iterator<Module> it = ctx.findModules(modName).iterator();
+        if (it.hasNext()) {
+            Module m = it.next();
+            return new Namespace(modName, m.getQNameModule().getNamespace(),
+                                 getRevision(m.getRevision()));
+        }
+        return null;
+    }
+
+    /**
+     * Returns child schema node.
+     *
+     * @param curSchema current schema node
+     * @param name name of the property
+     * @param namespace namespace of the property
+     * @return child schema node
+     */
+    public static SchemaNode getChildSchemaNode(SchemaNode curSchema,
+                                                String name,
+                                                Namespace namespace) {
+        if (namespace == null) {
+            return null;
+        }
+
+        QName qname =  QName.create(namespace.moduleNs(),
+                                    Revision.of(namespace.revision()), name);
+
+        // YANG RPC will not be instance of DataSchemaNode
+        if (curSchema instanceof DataSchemaNode) {
+            Deque<DataSchemaNode> schemaNodeDeque = ParserStreamUtils.
+                    findSchemaNodeByNameAndNamespace(((DataSchemaNode)
+                            curSchema), name, namespace.moduleNs());
+            if (schemaNodeDeque.isEmpty()) {
+                // could not find schema node
+                return null;
+            }
+
+            DataSchemaNode schemaNode = schemaNodeDeque.pop();
+            if (schemaNodeDeque.isEmpty()){
+                // Simple node
+                return schemaNode;
+            }
+
+            // node is child of Choice/case
+            return SchemaUtils.findSchemaForChild(((ChoiceSchemaNode) schemaNode),
+                                                  qname);
+        } else {
+            return SchemaUtils.findDataChildSchemaByQName(curSchema, qname);
+        }
+    }
+
+    /**
+     * Returns the property node type.
+     *
+     * @param index current index
+     * @param length length of the properties
+     * @param name name of the property
+     * @return the property node type
+     */
+    public static NodeType getNodeType(int index, int length, String name,
+                                       SchemaNode schema) {
+        if (index == length-1) {
+            if (schema instanceof AnyXmlSchemaNode){
+                return NodeType.ANY_XML_NODE;
+            }
+            return (isListEntry(name) ? NodeType.MULTI_INSTANCE_LEAF_NODE :
+                    NodeType.SINGLE_INSTANCE_LEAF_NODE);
+        } else {
+            return (isListEntry(name) ? NodeType.MULTI_INSTANCE_NODE :
+                    NodeType.SINGLE_INSTANCE_NODE);
+        }
+    }
+
+    /**
+     * Returns revision in string.
+     *
+     * @param r YANG revision
+     * @return revision in string
+     */
+    public static String getRevision(Optional<Revision> r) {
+        return (r.isPresent()) ? r.get().toString() : null;
+    }
+
+    /**
+     * Returns value namespace for leaf value.
+     *
+     * @param value value of the leaf
+     * @param ctx schema context
+     * @return value namespace
+     * @throws SvcLogicException if identity/module could not be found
+     */
+    static Namespace getValueNamespace(String value,
+                                              SchemaContext ctx)
+            throws SvcLogicException {
+        String prefix = getPrefixFromValue(value);
+        if (prefix == null) {
+            return null;
+        }
+
+        IdentitySchemaNode id = IdentityCodecUtil.parseIdentity(value,
+                                                                ctx,
+                                                                prefixToModule -> {
+            final Iterator<Module> modules = ctx.findModules(prefix).iterator();
+            checkArgument(modules.hasNext(), "Could not find " +
+                                  "module %s", prefix);
+            return modules.next().getQNameModule();
+        });
+
+        if (id == null) {
+            throw new SvcLogicException("Could not find identity");
+        }
+
+        return getModuleNamespace(id.getQName(), ctx);
+    }
+
+    private static String getPrefixFromValue(String value) {
+        int lastIndexOfColon = value.lastIndexOf(":");
+        if (lastIndexOfColon != -1) {
+            return value.substring(0, lastIndexOfColon);
+        }
+        return null;
+    }
+
+    /**
+     * Returns module namespace from a given qName.
+     *
+     * @param qName qName of a node
+     * @param ctx   schema context
+     * @return module namespace of the node
+     * @throws SvcLogicException when the module is not available
+     */
+    public static Namespace getModuleNamespace(QName qName, SchemaContext ctx)
+            throws SvcLogicException {
+        Optional<Module> module = ctx.findModule(qName.getModule());
+        if (!module.isPresent()) {
+            throw new SvcLogicException("Could not find module node");
+        }
+        Module m = module.get();
+        return new Namespace(m.getName(), m.getQNameModule().getNamespace(),
+                             getRevision(m.getRevision()));
+    }
+
+    static String getParsedValue(Namespace valNs, String value) {
+        if (valNs != null && value.contains(":")) {
+            String[] valArr = value.split(":");
+            return valArr[1];
+        }
+        return value;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MultiInstanceNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MultiInstanceNode.java
new file mode 100644
index 000000000..c251cdaea
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MultiInstanceNode.java
@@ -0,0 +1,32 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+/**
+ * Representation of multi instance node in properties data tree.
+ */
+public class MultiInstanceNode extends InnerNode<DataNodeChild> implements ListHolderChild {
+
+    public MultiInstanceNode(String name, Namespace namespace, String uri,
+                             PropertiesNode parent, Object appinfo, NodeType nodeType) {
+        super(name, namespace, uri, parent, appinfo, nodeType);
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/Namespace.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/Namespace.java
new file mode 100644
index 000000000..4f27ee1e7
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/Namespace.java
@@ -0,0 +1,100 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import java.net.URI;
+
+/**
+ * Representation of YANG namespace.
+ */
+public class Namespace {
+    private String moduleName;
+    private URI moduleNs;
+    private String revision;
+
+    /**
+     * Creates an instance of namespace with specified module name,
+     * namespace and revision.
+     *
+     * @param modulename module name
+     * @param moduleNs module namespace
+     * @param revision revision
+     */
+    public Namespace(String modulename, URI moduleNs, String revision) {
+        this.moduleName = modulename;
+        this.moduleNs = moduleNs;
+        this.revision = revision;
+    }
+
+    /**
+     * Returns module name.
+     *
+     * @return module name
+     */
+    public String moduleName() {
+        return moduleName;
+    }
+
+    /**
+     * Sets module name.
+     *
+     * @param moduleName module name
+     */
+    public void moduleName(String moduleName) {
+        this.moduleName = moduleName;
+    }
+
+    /**
+     * Sets module namespace.
+     *
+     * @return module namespace
+     */
+    public URI moduleNs() {
+        return moduleNs;
+    }
+
+    /**
+     * Sets module namespace.
+     *
+     * @param moduleNs module namespace
+     */
+    public void moduleNs(URI moduleNs) {
+        this.moduleNs = moduleNs;
+    }
+
+    /**
+     * Returns revision.
+     *
+     * @return revision
+     */
+    public String revision() {
+        return revision;
+    }
+
+    /**
+     * Sets revision.
+     *
+     * @param revision revision
+     */
+    public void revision(String revision) {
+        this.revision = revision;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeChild.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeChild.java
new file mode 100644
index 000000000..d482c6763
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeChild.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+/**
+ * Abstraction of an entity that represents child's of a node.
+ */
+public interface NodeChild {
+
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeType.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeType.java
new file mode 100644
index 000000000..0b6974e3e
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeType.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+/**
+ * Representation of types of node in properties node tree.
+ */
+public enum NodeType {
+    SINGLE_INSTANCE_NODE,
+    MULTI_INSTANCE_NODE,
+    SINGLE_INSTANCE_LEAF_NODE,
+    MULTI_INSTANCE_LEAF_NODE,
+    MULTI_INSTANCE_HOLDER_NODE,
+    MULTI_INSTANCE_LEAF_HOLDER_NODE,
+    ANY_XML_NODE
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNode.java
new file mode 100644
index 000000000..7e0ad631e
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNode.java
@@ -0,0 +1,280 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import com.google.common.collect.ArrayListMultimap;
+import com.google.common.collect.Multimap;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Abstraction of properties node data tree. This intermediate representation
+ * will enable data format serializers to be agnostic of DG context memory
+ * nuances and thereby will enable faster development of new data format
+ * serializers.
+ */
+public abstract class PropertiesNode {
+
+    private String name;
+    private Namespace namespace;
+    private String uri;
+    private PropertiesNode parent;
+    private Object appInfo;
+    private NodeType nodeType;
+    private boolean nonAppend;
+    private Multimap<Object, PropertiesNode> augmentations = ArrayListMultimap.create();
+
+    /**
+     * Creates an instance of properties node.
+     *
+     * @param name name of node
+     * @param namespace namespace of node, null indicates parent namespace
+     * @param uri URI of this node, if null its calculated based on parent and
+     * current value of name and namespace
+     * @param parent parent's node
+     * @param appInfo application related information
+     * @param nodeType node type
+     */
+    protected PropertiesNode(String name, Namespace namespace, String uri,
+                             PropertiesNode parent, Object appInfo, NodeType nodeType) {
+        this.name = name;
+        this.namespace = namespace;
+        this.uri = uri;
+        this.parent = parent;
+        this.appInfo = appInfo;
+        this.nodeType = nodeType;
+    }
+
+    /**
+     * Sets name.
+     *
+     * @param name name of the node
+     */
+    public void name(String name) {
+        this.name = name;
+    }
+
+    /**
+     * Sets namespace.
+     *
+     * @param namespace namespace of the node
+     */
+    public void namespace(Namespace namespace) {
+        this.namespace = namespace;
+    }
+
+    /**
+     * Sets uri.
+     *
+     * @param uri uri of the node
+     */
+    public void uri(String uri) {
+        this.uri = uri;
+    }
+
+    /**
+     * Sets parent node.
+     *
+     * @param parent parent node
+     */
+    public void parent(PropertiesNode parent) {
+        this.parent = parent;
+    }
+
+    /**
+     * Sets application info.
+     *
+     * @param appInfo application info
+     */
+    public void appInfo(Object appInfo) {
+        this.appInfo = appInfo;
+    }
+
+    /**
+     * Sets to true if module name is required in forming a request; false
+     * otherwise.
+     *
+     * @param isNotReq true if required; false otherwise
+     */
+    public void nonAppend(boolean isNotReq) {
+        this.nonAppend = isNotReq;
+    }
+
+    /**
+     * Returns parent.
+     *
+     * @return parent node
+     */
+    public PropertiesNode parent() {
+        return parent;
+    }
+
+    /**
+     * Returns name.
+     *
+     * @return name of the node
+     */
+    public String name() {
+        return name;
+    }
+
+    /**
+     * Returns namespace.
+     *
+     * @return namespace of the node
+     */
+    public Namespace namespace() {
+        return namespace;
+    }
+
+    /**
+     * Returns uri.
+     *
+     * @return uri of the node
+     */
+    public String uri() {
+        return uri;
+    }
+
+    /**
+     * Returns application info.
+     *
+     * @return application info
+     */
+    public Object appInfo() {
+        return appInfo;
+    }
+
+    /**
+     * Returns node type.
+     *
+     * @return node type
+     */
+    public NodeType nodeType() {
+        return nodeType;
+    }
+
+    /**
+     * Returns if module name is required.
+     *
+     * @return status of module name if required
+     */
+    public boolean nonAppend() {
+        return nonAppend;
+    }
+
+    /**
+     * Returns augmentations.
+     *
+     * @return augmentations
+     */
+    public Multimap<Object, PropertiesNode> augmentations() {
+        return augmentations;
+    }
+
+    /**
+     * Sets augmentations.
+     *
+     * @param augmentations augmentations of the node
+     */
+    public void augmentations(Multimap<Object, PropertiesNode> augmentations) {
+        this.augmentations = augmentations;
+    }
+
+    /**
+     * Adds a child to a current node.
+     *
+     * @param name name of child
+     * @param namespace namespace of child, null represents parent namespace
+     * @param type type of node
+     * @param appInfo application info
+     * @return added properties node
+     */
+    public abstract PropertiesNode addChild(String name, Namespace namespace,
+                                            NodeType type,
+                                            Object appInfo) throws SvcLogicException;
+
+    /**
+     * Adds a child with value to a current node.
+     *
+     * @param name name of child
+     * @param namespace namespace of child, null represents parent namespace
+     * @param type type of node
+     * @param value value of node
+     * @param valueNs value namespace
+     * @param appInfo application info
+     * @throws SvcLogicException if failed to add child
+     * @return added properties node
+     */
+    public abstract PropertiesNode addChild(String name, Namespace namespace,
+                                            NodeType type, String value,
+                                            Namespace valueNs,
+                                            Object appInfo) throws SvcLogicException;
+
+    /**
+     * Adds a child at a given index to a current node. To be used in case of
+     * leaf holder child's which is multi instance node.
+     *
+     * @param index index at which node is to be added
+     * @param name name of child
+     * @param namespace namespace of child, null represents parent namespace
+     * @param type type of node
+     * @param appInfo application info
+     * @throws SvcLogicException if failed to add child
+     * @return added properties node
+     */
+    public abstract PropertiesNode addChild(String index, String name,
+                                            Namespace namespace,
+                                            NodeType type,
+                                            Object appInfo) throws SvcLogicException;
+
+    /**
+     * Adds a child at a given index to a current node. To be used in case of
+     * leaf holder child's which is multi instance node.
+     *
+     * @param index index at which node is to be added
+     * @param name name of child
+     * @param namespace namespace of child, null represents parent namespace
+     * @param type type of node
+     * @param value value of node
+     * @param valueNs value namespace
+     * @param appInfo application info
+     * @throws SvcLogicException if failed to add child
+     * @return added properties node
+     */
+    public abstract PropertiesNode addChild(String index, String name,
+                                            Namespace namespace, NodeType type,
+                                            String value, Namespace valueNs,
+                                            Object appInfo) throws SvcLogicException;
+
+    /**
+     * Returns root node.
+     *
+     * @return root node
+     */
+    public PropertiesNode endNode() {
+        PropertiesNode node = this;
+        while (node.parent() != null){
+            node = node.parent();
+        }
+        return node;
+    }
+}
+
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeListener.java
new file mode 100644
index 000000000..7b97ffaf8
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeListener.java
@@ -0,0 +1,61 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Abstraction of properties node listener.
+ */
+public interface PropertiesNodeListener {
+
+    /**
+     * Pre-configurations required before starting the walking.
+     *
+     * @param node properties node
+     * @throws SvcLogicException when the pre-configuration fails
+     */
+    void start(PropertiesNode node) throws SvcLogicException;
+
+    /**
+     * Post-configurations required after starting the walking.
+     *
+     * @param node properties node
+     * @throws SvcLogicException when the post-configuration fails
+     */
+    void end(PropertiesNode node) throws SvcLogicException;
+
+    /**
+     * Enters the properties node.
+     *
+     * @param node properties node
+     * @throws SvcLogicException when entering the properties node fails
+     */
+    void enterPropertiesNode(PropertiesNode node) throws SvcLogicException;
+
+    /**
+     * Enters the properties node.
+     *
+     * @param node properties node
+     * @throws SvcLogicException when exiting the properties node fails
+     */
+    void exitPropertiesNode(PropertiesNode node) throws SvcLogicException;
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeSerializer.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeSerializer.java
new file mode 100644
index 000000000..fe6fed484
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeSerializer.java
@@ -0,0 +1,112 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+import java.util.Map;
+
+/**
+ * Abstraction of an entity to enable encoding and decoding of properties
+ * to an abstract properties node tree using YANG based schema.
+ * This serializer will be used by other data format serializers and will keep
+ * them abstract from properties nuances thereby enabling quick addition of any
+ * new data format serializer.
+ *
+ * @param <T> type of schema node
+ * @param <P> schema context of the model
+ */
+public abstract class PropertiesNodeSerializer<T, P> {
+
+    /**
+     * Schema node from which the property is made.
+     */
+    private T schemaNode;
+
+    /**
+     * Schema context of the model.
+     */
+    private P schemaCtx;
+
+    /**
+     * URL pointing to the schema node.
+     */
+    private String uri;
+
+    /**
+     * Creates the properties node serializer.
+     *
+     * @param schemaNode schema node.
+     * @param schemaCtx schema context
+     * @param uri URL of the request
+     */
+    public PropertiesNodeSerializer(T schemaNode, P schemaCtx, String uri) {
+        this.schemaNode = schemaNode;
+        this.schemaCtx = schemaCtx;
+        this.uri = uri;
+    }
+
+    /**
+     * Encodes from properties to properties-node tree.
+     *
+     * @param paramMap parameter map
+     * @throws SvcLogicException fails to encode properties to properties node
+     * @return properties node
+     */
+    public abstract PropertiesNode encode(Map<String, String> paramMap) throws SvcLogicException;
+
+    /**
+     * Decodes from properties-node to properties map.
+     *
+     * @param propertiesNode properties-node
+     * @return parameter map
+     * @throws SvcLogicException fails to decode properties node to properties
+     */
+    public abstract Map<String, String> decode(PropertiesNode propertiesNode)
+            throws SvcLogicException;
+
+    /**
+     * Returns the schema node of the property
+     *
+     * @return schema node
+     */
+    public T schemaNode(){
+        return schemaNode;
+    }
+
+    /**
+     * Returns the schema context
+     *
+     * @return schema node
+     */
+    public P schemaCtx() {
+        return schemaCtx;
+    }
+
+    /**
+     * Returns the URI.
+     *
+     * @return uri
+     */
+    public String uri() {
+        return uri;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeWalker.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeWalker.java
new file mode 100644
index 000000000..36ee4dd9d
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeWalker.java
@@ -0,0 +1,38 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+/**
+ * Abstraction of properties node walker
+ */
+public interface PropertiesNodeWalker {
+    /**
+     * Walks the properties node with the listener.
+     *
+     * @param listener properties node listener.
+     * @param propertiesNode properties node
+     * @throws SvcLogicException when walking the properties node fails
+     */
+    void walk(PropertiesNodeListener listener, PropertiesNode propertiesNode)
+            throws SvcLogicException;
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/RootNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/RootNode.java
new file mode 100644
index 000000000..c7f7340fd
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/RootNode.java
@@ -0,0 +1,212 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.addToAugmentations;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.createNode;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getAugmentationNode;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getUri;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.isNamespaceAsParent;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.resolveName;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_HOLDER_NODE;
+import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_HOLDER_NODE;
+import static org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils.findCorrespondingAugment;
+
+/**
+ * Abstraction of node representing properties data tree.
+ */
+public class RootNode<T extends NodeChild> extends PropertiesNode {
+
+    private Map<String, T> children = new HashMap<String, T>();
+
+    /**
+     * Creates an instance of the root node to build the properties.
+     *
+     * @param name      name of the node
+     * @param namespace namespace of the node
+     * @param appInfo   application info
+     * @param uri       URI of the node
+     */
+    public RootNode(String name, Namespace namespace,
+                       Object appInfo, String uri) {
+        super(name, namespace, uri, null, appInfo, null);
+    }
+
+    /**
+     * Returns children.
+     *
+     * @return children
+     */
+    public Map<String, T> children() {
+        return children;
+    }
+
+    /**
+     * Sets children.
+     *
+     * @param children child nodes
+     */
+    public void children(Map<String, T> children) {
+        this.children = children;
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        PropertiesNode node = ((PropertiesNode) children.get(name));
+        if (node != null) {
+            return node;
+        }
+
+        // get augment schema, if it is augmented node
+        AugmentationSchemaNode augSchema = null;
+        if (((DataSchemaNode) appInfo).isAugmenting()) {
+            augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
+                                                 ((DataSchemaNode) appInfo));
+            node = getAugmentationNode(augSchema, this, name);
+        }
+
+        // create node based on type, this api will be invoked only for these three types
+        if (node == null) {
+            String uri = getUri(this, name, namespace);
+            node = createNode(name, namespace, uri, this, appInfo, type);
+        }
+
+        // If namespace is not same as parent then it is augmented node
+        if (augSchema != null && !isNamespaceAsParent(this, node)) {
+            addToAugmentations(augSchema, this, node);
+        } else {
+            children.put(name, ((T) node));
+        }
+        return node;
+    }
+
+    @Override
+    public PropertiesNode addChild(String name, Namespace namespace,
+                                   NodeType type, String value,
+                                   Namespace valuens,
+                                   Object appInfo) throws SvcLogicException {
+        LeafNode node = ((LeafNode) children.get(name));
+        if (node != null) {
+            return  node;
+        }
+
+        AugmentationSchemaNode augSchema = null;
+        if (((DataSchemaNode) appInfo).isAugmenting()) {
+            augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
+                                                 ((DataSchemaNode) appInfo));
+        }
+
+        String uri = getUri(this, name, namespace);
+        node = new LeafNode(name, namespace, uri, this,
+                            appInfo, type, value);
+
+        if (augSchema != null && !isNamespaceAsParent(this, node)) {
+            addToAugmentations(augSchema, this, node);
+        } else {
+            children.put(name, ((T) node));
+        }
+        return node;
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace, NodeType type,
+                                   Object appInfo) throws SvcLogicException {
+        String localname = resolveName(name);
+        PropertiesNode node = ((PropertiesNode) children.get(localname));
+        if (node == null) {
+            String uri = getUri(this, name, namespace);
+            AugmentationSchemaNode augSchema = null;
+            if (((DataSchemaNode) appInfo).isAugmenting()) {
+                augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
+                                                     ((DataSchemaNode) appInfo));
+                node = getAugmentationNode(augSchema, this, localname);
+            }
+
+            if (node == null) {
+                node = new ListHolderNode(localname, namespace, uri,
+                                          this, appInfo, MULTI_INSTANCE_HOLDER_NODE);
+            }
+
+            if (augSchema != null && !isNamespaceAsParent(this, node)) {
+                addToAugmentations(augSchema, this, node);
+            } else {
+                children.put(localname, ((T) node));
+            }
+            node = node.addChild(index, localname, namespace, type, appInfo);
+        } else if (node instanceof ListHolderNode) {
+            ListHolderChild child = ((ListHolderNode) node).child(index);
+            node = (child != null ? ((MultiInstanceNode) child) :
+                    node.addChild(index, localname, namespace, type, appInfo));
+        } else {
+            throw new SvcLogicException("Duplicate node exist with same node");
+        }
+        return node;
+    }
+
+    @Override
+    public PropertiesNode addChild(String index, String name,
+                                   Namespace namespace, NodeType type,
+                                   String value, Namespace valueNs,
+                                   Object appInfo) throws SvcLogicException {
+        String localName = resolveName(name);
+        PropertiesNode node = ((PropertiesNode) children.get(localName));
+        if (node == null) {
+            String uri = getUri(this, name, namespace);
+            AugmentationSchemaNode augSchema = null;
+            if (((DataSchemaNode) appInfo).isAugmenting()) {
+                augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
+                                                     ((DataSchemaNode) appInfo));
+                node = getAugmentationNode(augSchema, this, localName);
+            }
+
+            if (node == null) {
+                node = new LeafListHolderNode(localName, namespace, uri, this,
+                                              appInfo, MULTI_INSTANCE_LEAF_HOLDER_NODE);
+            }
+
+            if (augSchema != null && !isNamespaceAsParent(this, node)) {
+                addToAugmentations(augSchema, this, node);
+            } else {
+                children.put(localName, ((T) node));
+            }
+            node = node.addChild(index, localName, namespace, type, value, valueNs, appInfo);
+        } else if (node instanceof LeafListHolderNode) {
+            LeafNode child = ((LeafNode) ((HolderNode) node).child(index));
+            node = (child != null ? child : node.addChild(index, localName,
+                                                          namespace, type,
+                                                          value, valueNs,
+                                                          appInfo));
+        } else {
+            throw new SvcLogicException("Duplicate node exist with same node");
+        }
+        return node;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SchemaPathHolder.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SchemaPathHolder.java
new file mode 100644
index 000000000..4ef1bc664
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SchemaPathHolder.java
@@ -0,0 +1,77 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
+
+/**
+ * Representation of a holder for a proper path and its corresponding schema.
+ */
+public class SchemaPathHolder {
+
+    /**
+     * Schema context for the path.
+     */
+    private InstanceIdentifierContext insId;
+
+    /**
+     * Formatted path.
+     */
+    private String uri;
+
+    /**
+     * Constructs schema path holder with path and its schema.
+     *
+     * @param insId instance identifier context
+     * @param uri   path
+     */
+    public SchemaPathHolder(InstanceIdentifierContext insId, String uri) {
+        this.insId = insId;
+        this.uri = uri;
+    }
+
+    /**
+     * Returns the instance identifier context of the path.
+     *
+     * @return schema of the path
+     */
+    public InstanceIdentifierContext getInsId() {
+        return insId;
+    }
+
+    /**
+     * Returns the formatted path.
+     *
+     * @return formatted path
+     */
+    public String getUri() {
+        return uri;
+    }
+
+    /**
+     * Sets the formatted path.
+     *
+     * @param uri formatted path
+     */
+    public void setUri(String uri) {
+        this.uri = uri;
+    }
+}
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SingleInstanceNode.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SingleInstanceNode.java
new file mode 100644
index 000000000..6eb24c1a4
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SingleInstanceNode.java
@@ -0,0 +1,33 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
+
+/**
+ * Representation of single instance node in properties data tree.
+ */
+public class SingleInstanceNode extends InnerNode<DataNodeChild> implements DataNodeChild {
+
+    public SingleInstanceNode(String name, Namespace namespace, String uri,
+                              PropertiesNode parent, Object appInfo,
+                              NodeType nodeType) {
+        super(name, namespace, uri, parent, appInfo, nodeType);
+    }
+}