Handle ETSI versions in NSD Plugin

The plugin now considers the ETSI version in the component metadata
to generate the correct imports of nsd types, i.e., aligned with the
provided version.

Change-Id: I54aee04722a4434eac59ea8b70c4f30f5c81645e
Issue-ID: SDC-3447
Signed-off-by: andre.schmid <andre.schmid@est.tech>

17 files changed, 5203 insertions, 51 deletions

diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/builder/NsdCsarManifestBuilder.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/builder/NsdCsarManifestBuilder.java
index 6dc120290c..ed3a7fc4ee 100644
--- a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/builder/NsdCsarManifestBuilder.java
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/builder/NsdCsarManifestBuilder.java
@@ -22,39 +22,35 @@ package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.builder;
 import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.LinkedHashSet;
+import java.util.Set;
+import java.util.TreeSet;
 
 /**
  * Builder for the manifest (.mf) file in a NSD CSAR
  */
 public class NsdCsarManifestBuilder {
-    private static final String METADATA = "metadata";
-    private static final String SOURCE = "Source";
+    static final String METADATA = "metadata";
+    static final String SOURCE = "Source";
+    static final String COMPATIBLE_SPECIFICATION_VERSIONS = "compatible_specification_versions";
     private static final String NSD_DESIGNER = "nsd_designer";
     private static final String NSD_FILE_STRUCTURE_VERSION = "nsd_file_structure_version";
-    private static final String NSD_RELEASE_DATE_TIME = "nsd_release_date_time";
+    static final String NSD_RELEASE_DATE_TIME = "nsd_release_date_time";
     private static final String NSD_NAME = "nsd_name";
     private static final String NSD_INVARIANT_ID = "nsd_invariant_id";
-    private static final String ATTRIBUTE_SEPARATOR = ": ";
+    static final String ATTRIBUTE_SEPARATOR = ": ";
     private static final String NEW_LINE = "\n";
     private static final DateTimeFormatter RFC_3339_DATE_TIME_FORMATTER =
         DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ssZ");
 
-    private final StringBuilder builder;
-    private final StringBuilder metadataBuilder;
-    private final StringBuilder sourceBuilder;
     private final MetadataHeader metadataHeader;
-    private final HashSet<String> sources;
+    private final Set<String> sources;
+    private final Set<String> compatibleSpecificationVersions;
 
     public NsdCsarManifestBuilder() {
-        builder = new StringBuilder();
-        metadataBuilder = new StringBuilder();
-        sourceBuilder = new StringBuilder();
         metadataHeader = new MetadataHeader();
         sources = new LinkedHashSet<>();
-        metadataBuilder.append(METADATA).append(ATTRIBUTE_SEPARATOR)
-            .append(NEW_LINE);
+        compatibleSpecificationVersions = new TreeSet<>();
     }
 
     /**
@@ -122,25 +118,49 @@ public class NsdCsarManifestBuilder {
         return this;
     }
 
+    public NsdCsarManifestBuilder withCompatibleSpecificationVersion(final String version) {
+        this.compatibleSpecificationVersions.add(version);
+        return this;
+    }
+
     /**
      * Builds a string representing the manifest content based on provided values.
      *
      * @return a string representing the manifest content
      */
     public String build() {
+        final StringBuilder metadataBuilder = createMetadataBuilder();
         appendEntry(metadataBuilder, NSD_DESIGNER, metadataHeader.designer);
         appendEntry(metadataBuilder, NSD_INVARIANT_ID, metadataHeader.invariantId);
         appendEntry(metadataBuilder, NSD_NAME, metadataHeader.nsdName);
         appendEntry(metadataBuilder, NSD_RELEASE_DATE_TIME, metadataHeader.nsdReleaseDateTime);
         appendEntry(metadataBuilder, NSD_FILE_STRUCTURE_VERSION, metadataHeader.fileStructureVersion);
+        final StringBuilder sourceBuilder = new StringBuilder();
         sources.forEach(source -> appendEntry(sourceBuilder, SOURCE, source));
 
+        final StringBuilder compatibleSpecificationVersionsBuilder = new StringBuilder();
+        if (!compatibleSpecificationVersions.isEmpty()) {
+            compatibleSpecificationVersionsBuilder.append(COMPATIBLE_SPECIFICATION_VERSIONS)
+                .append(ATTRIBUTE_SEPARATOR)
+                .append(String.join(",", compatibleSpecificationVersions))
+                .append(NEW_LINE);
+        }
+
+        final StringBuilder builder = new StringBuilder();
+
         builder.append(metadataBuilder)
+            .append(compatibleSpecificationVersionsBuilder)
             .append(NEW_LINE)
             .append(sourceBuilder);
         return builder.toString();
     }
 
+    private StringBuilder createMetadataBuilder() {
+        final StringBuilder metadataBuilder = new StringBuilder();
+        metadataBuilder.append(METADATA).append(ATTRIBUTE_SEPARATOR).append(NEW_LINE);
+        return metadataBuilder;
+    }
+
     private String getNowDateTime() {
         return ZonedDateTime.now().format(RFC_3339_DATE_TIME_FORMATTER);
     }
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/factory/EtsiNfvNsdCsarGeneratorFactory.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/factory/EtsiNfvNsdCsarGeneratorFactory.java
new file mode 100644
index 0000000000..c1c792e443
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/factory/EtsiNfvNsdCsarGeneratorFactory.java
@@ -0,0 +1,55 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.factory;
+
+import org.openecomp.sdc.be.dao.cassandra.ArtifactCassandraDao;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.EtsiNfvNsdCsarGenerator;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.EtsiNfvNsdCsarGeneratorImpl;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.VnfDescriptorGenerator;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config.NsDescriptorConfig;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config.EtsiVersion;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.stereotype.Component;
+
+@Component
+public class EtsiNfvNsdCsarGeneratorFactory {
+
+    private final VnfDescriptorGenerator vnfDescriptorGenerator;
+    private final NsDescriptorGeneratorFactory nsDescriptorGeneratorFactory;
+    private final ArtifactCassandraDao artifactCassandraDao;
+    private final ObjectProvider<EtsiNfvNsdCsarGeneratorImpl> etsiNfvNsdCsarGeneratorObjectProvider;
+
+    public EtsiNfvNsdCsarGeneratorFactory(final VnfDescriptorGenerator vnfDescriptorGenerator,
+                                          final NsDescriptorGeneratorFactory nsDescriptorGeneratorFactory,
+                                          final ArtifactCassandraDao artifactCassandraDao,
+                                          final ObjectProvider<EtsiNfvNsdCsarGeneratorImpl> etsiNfvNsdCsarGeneratorObjectProvider) {
+        this.vnfDescriptorGenerator = vnfDescriptorGenerator;
+        this.nsDescriptorGeneratorFactory = nsDescriptorGeneratorFactory;
+        this.artifactCassandraDao = artifactCassandraDao;
+        this.etsiNfvNsdCsarGeneratorObjectProvider = etsiNfvNsdCsarGeneratorObjectProvider;
+    }
+
+    public EtsiNfvNsdCsarGenerator create(final EtsiVersion version) {
+        final NsDescriptorConfig nsDescriptorConfig = new NsDescriptorConfig(version);
+        return etsiNfvNsdCsarGeneratorObjectProvider
+            .getObject(nsDescriptorConfig, vnfDescriptorGenerator, nsDescriptorGeneratorFactory, artifactCassandraDao);
+    }
+
+}
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/factory/NsDescriptorGeneratorFactory.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/factory/NsDescriptorGeneratorFactory.java
new file mode 100644
index 0000000000..5563078964
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/factory/NsDescriptorGeneratorFactory.java
@@ -0,0 +1,49 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.factory;
+
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.NsDescriptorGenerator;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.NsDescriptorGeneratorImpl;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.tosca.yaml.ToscaTemplateYamlGenerator;
+import org.openecomp.sdc.be.tosca.ToscaExportHandler;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.stereotype.Component;
+
+@Component
+public class NsDescriptorGeneratorFactory {
+
+    private final ToscaExportHandler toscaExportHandler;
+    private final ObjectProvider<ToscaTemplateYamlGenerator> toscaTemplateYamlGeneratorProvider;
+    private final ObjectProvider<NsDescriptorGeneratorImpl> nsDescriptorGeneratorProvider;
+
+    public NsDescriptorGeneratorFactory(final ToscaExportHandler toscaExportHandler,
+                                        final ObjectProvider<ToscaTemplateYamlGenerator> toscaTemplateYamlGeneratorProvider,
+                                        final ObjectProvider<NsDescriptorGeneratorImpl> nsDescriptorGeneratorProvider) {
+        this.toscaExportHandler = toscaExportHandler;
+        this.toscaTemplateYamlGeneratorProvider = toscaTemplateYamlGeneratorProvider;
+        this.nsDescriptorGeneratorProvider = nsDescriptorGeneratorProvider;
+    }
+
+    public NsDescriptorGenerator create() {
+        return nsDescriptorGeneratorProvider
+            .getObject(toscaExportHandler, toscaTemplateYamlGeneratorProvider);
+    }
+
+}
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/EtsiNfvNsCsarEntryGenerator.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/EtsiNfvNsCsarEntryGenerator.java
index 217b334f1a..ff20a3e70b 100644
--- a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/EtsiNfvNsCsarEntryGenerator.java
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/EtsiNfvNsCsarEntryGenerator.java
@@ -28,6 +28,8 @@ import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
 import org.openecomp.sdc.be.model.Component;
 import org.openecomp.sdc.be.plugins.CsarEntryGenerator;
 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.exception.NsdException;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.factory.EtsiNfvNsdCsarGeneratorFactory;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config.EtsiVersion;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -40,11 +42,12 @@ public class EtsiNfvNsCsarEntryGenerator implements CsarEntryGenerator {
     private static final Logger LOGGER = LoggerFactory.getLogger(EtsiNfvNsCsarEntryGenerator.class);
     static final String ETSI_NS_COMPONENT_CATEGORY = "ETSI NFV Network Service";
     static final String NSD_FILE_PATH_FORMAT = "Artifacts/%s/%s.csar";
+    static final String ETSI_VERSION_METADATA = "ETSI Version";
 
-    private final EtsiNfvNsdCsarGenerator etsiNfvNsdCsarGenerator;
+    private final EtsiNfvNsdCsarGeneratorFactory etsiNfvNsdCsarGeneratorFactory;
 
-    public EtsiNfvNsCsarEntryGenerator(final EtsiNfvNsdCsarGenerator etsiNfvNsdCsarGenerator) {
-        this.etsiNfvNsdCsarGenerator = etsiNfvNsdCsarGenerator;
+    public EtsiNfvNsCsarEntryGenerator(final EtsiNfvNsdCsarGeneratorFactory etsiNfvNsdCsarGeneratorFactory) {
+        this.etsiNfvNsdCsarGeneratorFactory = etsiNfvNsdCsarGeneratorFactory;
     }
 
     /**
@@ -72,6 +75,9 @@ public class EtsiNfvNsCsarEntryGenerator implements CsarEntryGenerator {
 
         final byte[] nsdCsar;
         try {
+            final EtsiVersion etsiVersion = getComponentEtsiVersion(component);
+            final EtsiNfvNsdCsarGenerator etsiNfvNsdCsarGenerator =
+                etsiNfvNsdCsarGeneratorFactory.create(etsiVersion);
             nsdCsar = etsiNfvNsdCsarGenerator.generateNsdCsar(component);
         } catch (final NsdException e) {
             LOGGER.error("Could not create NSD CSAR entry for component '{}'"
@@ -86,6 +92,11 @@ public class EtsiNfvNsCsarEntryGenerator implements CsarEntryGenerator {
         return createEntry(component.getNormalizedName(), nsdCsar);
     }
 
+    private EtsiVersion getComponentEtsiVersion(Component component) {
+        final String etsiVersion = component.getCategorySpecificMetadata().get(ETSI_VERSION_METADATA);
+        return EtsiVersion.convertOrNull(etsiVersion);
+    }
+
     private Map<String, byte[]> createEntry(final String csarName, final byte[] nsdCsar) {
         final Map<String, byte[]> entryMap = new HashMap<>();
         final String entryKey = String.format(NSD_FILE_PATH_FORMAT, ETSI_PACKAGE, csarName);
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/EtsiNfvNsdCsarGeneratorImpl.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/EtsiNfvNsdCsarGeneratorImpl.java
index 64356ca7aa..efc6ade92d 100644
--- a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/EtsiNfvNsdCsarGeneratorImpl.java
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/EtsiNfvNsdCsarGeneratorImpl.java
@@ -24,8 +24,6 @@ import static org.openecomp.sdc.common.api.ArtifactTypeEnum.ONBOARDED_PACKAGE;
 
 import fj.data.Either;
 import java.io.IOException;
-import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -50,19 +48,26 @@ import org.openecomp.sdc.be.model.ComponentInstance;
 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.builder.NsdCsarManifestBuilder;
 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.builder.NsdToscaMetadataBuilder;
 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.exception.NsdException;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.factory.NsDescriptorGeneratorFactory;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config.EtsiVersion;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config.NsDescriptorConfig;
+import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config.NsDescriptorVersionComparator;
 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.model.Nsd;
 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.model.VnfDescriptor;
 import org.openecomp.sdc.be.resources.data.DAOArtifactData;
 import org.openecomp.sdc.be.tosca.utils.OperationArtifactUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.core.io.ClassPathResource;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.context.annotation.Scope;
 import org.springframework.core.io.Resource;
+import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
 
 /**
  * Implementation of a ETSI NFV NSD CSAR generator
  */
 @org.springframework.stereotype.Component("etsiNfvNsdCsarGenerator")
+@Scope(BeanDefinition.SCOPE_PROTOTYPE)
 public class EtsiNfvNsdCsarGeneratorImpl implements EtsiNfvNsdCsarGenerator {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(EtsiNfvNsdCsarGeneratorImpl.class);
@@ -76,14 +81,17 @@ public class EtsiNfvNsdCsarGeneratorImpl implements EtsiNfvNsdCsarGenerator {
     private static final String TOSCA_META_PATH = "TOSCA-Metadata/TOSCA.meta";
 
     private final VnfDescriptorGenerator vnfDescriptorGenerator;
-    private final NsDescriptorGenerator nsDescriptorGeneratorImpl;
+    private final NsDescriptorGeneratorFactory nsDescriptorGeneratorFactory;
     private final ArtifactCassandraDao artifactCassandraDao;
+    private final NsDescriptorConfig nsDescriptorConfig;
 
-    public EtsiNfvNsdCsarGeneratorImpl(final VnfDescriptorGenerator vnfDescriptorGenerator,
-                                       final NsDescriptorGenerator nsDescriptorGenerator,
+    public EtsiNfvNsdCsarGeneratorImpl(final NsDescriptorConfig nsDescriptorConfig,
+                                       final VnfDescriptorGenerator vnfDescriptorGenerator,
+                                       final NsDescriptorGeneratorFactory nsDescriptorGeneratorFactory,
                                        final ArtifactCassandraDao artifactCassandraDao) {
+        this.nsDescriptorConfig = nsDescriptorConfig;
         this.vnfDescriptorGenerator = vnfDescriptorGenerator;
-        this.nsDescriptorGeneratorImpl = nsDescriptorGenerator;
+        this.nsDescriptorGeneratorFactory = nsDescriptorGeneratorFactory;
         this.artifactCassandraDao = artifactCassandraDao;
     }
 
@@ -106,17 +114,18 @@ public class EtsiNfvNsdCsarGeneratorImpl implements EtsiNfvNsdCsarGenerator {
             vnfDescriptorList.forEach(vnfPackage -> nsdCsarFiles.putAll(vnfPackage.getDefinitionFiles()));
 
             final String nsdFileName = getNsdFileName(component);
+            final EtsiVersion etsiVersion = nsDescriptorConfig.getNsVersion();
             final Nsd nsd = generateNsd(component, vnfDescriptorList);
             nsdCsarFiles.put(getNsdPath(nsdFileName), nsd.getContents());
             nsdCsarFiles.put(TOSCA_META_PATH, buildToscaMetaContent(nsdFileName).getBytes());
-            addEtsiSolNsdTypes(nsdCsarFiles);
+            addEtsiSolNsdTypes(etsiVersion, nsdCsarFiles);
             for (final String referencedFile : nsd.getArtifactReferences()) {
                 getReferencedArtifact(component, referencedFile).ifPresent(
                     artifactDefinition -> nsdCsarFiles.put(referencedFile, artifactDefinition.getPayloadData())
                 );
             }
             nsdCsarFiles
-                .put(getManifestPath(nsdFileName), getManifestFileContent(nsd, nsdCsarFiles.keySet()).getBytes());
+                .put(getManifestPath(nsdFileName), getManifestFileContent(nsd, etsiVersion, nsdCsarFiles.keySet()).getBytes());
 
             final byte[] csar = buildCsarPackage(nsdCsarFiles);
             LOGGER.debug("Successfully generated NSD CSAR package");
@@ -221,33 +230,40 @@ public class EtsiNfvNsdCsarGeneratorImpl implements EtsiNfvNsdCsarGenerator {
             .findFirst();
     }
 
-    private void addEtsiSolNsdTypes(final Map<String, byte[]> nsdCsarFileMap) {
-        final Path baseFolderPath = Paths.get("etsi-nfv-types");
-        String nsdTypesFilename = "etsi_nfv_sol001_nsd_2_7_1_types.yaml";
+    private void addEtsiSolNsdTypes(final EtsiVersion etsiVersion,
+                                    final Map<String, byte[]> nsdCsarFileMap) {
+        final EtsiVersion currentVersion = etsiVersion == null ?
+            EtsiVersion.getDefaultVersion() : etsiVersion;
+
+        final PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
 
         try {
-            final Resource resource =
-                new ClassPathResource(Paths.get(baseFolderPath.toString(), nsdTypesFilename).toString());
-            nsdCsarFileMap.put(DEFINITION + "/" + nsdTypesFilename,
-                IOUtils.toByteArray(resource.getInputStream()));
-        } catch (final IOException exception) {
-            LOGGER.error("Error adding {} to NSD CSAR", nsdTypesFilename, exception);
+            final Resource[] resources =
+                resolver.getResources(String.format("classpath:etsi-nfv-types/%s/*.*", currentVersion.getVersion()));
+            if (resources.length > 0) {
+                for (final Resource resource : resources) {
+                    addToCsarFileMap(resource, nsdCsarFileMap);
+                }
+            }
+        } catch (final IOException e) {
+            LOGGER.error("Could not find types files for the version '{}'", currentVersion.getVersion(), e);
         }
+    }
 
-        String commonTypesFilename = "etsi_nfv_sol001_common_types.yaml";
+    private void addToCsarFileMap(final Resource resource, final Map<String, byte[]> nsdCsarFileMap) {
         try {
-            final Resource resource =
-                new ClassPathResource(Paths.get(baseFolderPath.toString(), commonTypesFilename).toString());
-            nsdCsarFileMap.put(DEFINITION + "/" + commonTypesFilename,
+            nsdCsarFileMap.put(DEFINITION + "/" + resource.getFilename(),
                 IOUtils.toByteArray(resource.getInputStream()));
         } catch (final IOException exception) {
-            LOGGER.error("Error adding {} to NSD CSAR", commonTypesFilename, exception);
+            LOGGER.error("Error adding '{}' to NSD CSAR", resource.getFilename(), exception);
         }
     }
 
     private Nsd generateNsd(final Component component,
                             final List<VnfDescriptor> vnfDescriptorList) throws NsdException {
-        return nsDescriptorGeneratorImpl.generate(component, vnfDescriptorList)
+        final NsDescriptorGenerator nsDescriptorGenerator =
+            nsDescriptorGeneratorFactory.create();
+        return nsDescriptorGenerator.generate(component, vnfDescriptorList)
             .orElseThrow(() ->
                 new NsdException(String
                     .format("Could not generate the Network Service Descriptor for component %s", component.getName()))
@@ -269,7 +285,7 @@ public class EtsiNfvNsdCsarGeneratorImpl implements EtsiNfvNsdCsarGenerator {
         if (artifactDefinition.getPayloadData() == null) {
             final Optional<byte[]> artifactPayload = loadArtifactPayload(artifactDefinition.getEsId());
 
-            if (!artifactPayload.isPresent()) {
+            if (artifactPayload.isEmpty()) {
                 throw new NsdException(String.format("Could not load artifact '%s' payload", filePath));
             }
             artifactDefinition.setPayload(artifactPayload.get());
@@ -307,7 +323,9 @@ public class EtsiNfvNsdCsarGeneratorImpl implements EtsiNfvNsdCsarGenerator {
         return toscaMetadata;
     }
 
-    private String getManifestFileContent(final Nsd nsd, final Set<String> files) {
+    private String getManifestFileContent(final Nsd nsd,
+                                          final EtsiVersion nsdVersion,
+                                          final Set<String> files) {
         LOGGER.debug("Creating NS manifest file content");
 
         final NsdCsarManifestBuilder nsdCsarManifestBuilder = new NsdCsarManifestBuilder();
@@ -318,6 +336,12 @@ public class EtsiNfvNsdCsarGeneratorImpl implements EtsiNfvNsdCsarGenerator {
             .withFileStructureVersion(nsd.getVersion())
             .withSources(files);
 
+        final NsDescriptorVersionComparator nsdVersionComparator = new NsDescriptorVersionComparator();
+
+        if (nsdVersion != null && nsdVersionComparator.compare(nsdVersion, EtsiVersion.VERSION_3_3_1) >= 0) {
+            nsdCsarManifestBuilder.withCompatibleSpecificationVersion(nsdVersion.getVersion());
+        }
+
         final String manifest = nsdCsarManifestBuilder.build();
         LOGGER.debug("Successfully created NS CSAR manifest file content:\n {}", manifest);
         return manifest;
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/NsDescriptorGeneratorImpl.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/NsDescriptorGeneratorImpl.java
index 271fc196bf..2a2e2b008a 100644
--- a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/NsDescriptorGeneratorImpl.java
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/NsDescriptorGeneratorImpl.java
@@ -19,7 +19,6 @@
 
 package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator;
 
-import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import fj.data.Either;
 import java.util.ArrayList;
@@ -54,19 +53,16 @@ import org.openecomp.sdc.be.tosca.model.ToscaTopolgyTemplate;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.context.annotation.Scope;
 
 @org.springframework.stereotype.Component("nsDescriptorGenerator")
+@Scope(BeanDefinition.SCOPE_PROTOTYPE)
 public class NsDescriptorGeneratorImpl implements NsDescriptorGenerator {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(NsDescriptorGeneratorImpl.class);
     private static final String TOSCA_VERSION = "tosca_simple_yaml_1_1";
     private static final String NS_TOSCA_TYPE = "tosca.nodes.nfv.NS";
-    private static final List<Map<String, Map<String, String>>> DEFAULT_IMPORTS_ETSI_SOL_NSD =
-        ImmutableList.of(
-            ImmutableMap.of("etsi_nfv_sol001_nsd_2_7_1_types",
-                ImmutableMap.of("file", "etsi_nfv_sol001_nsd_2_7_1_types.yaml")
-            )
-        );
     private static final List<Map<String, Map<String, String>>> DEFAULT_IMPORTS = ConfigurationManager
         .getConfigurationManager().getConfiguration().getDefaultImports();
     private static final List<String> PROPERTIES_TO_EXCLUDE_FROM_ETSI_SOL_NSD_NS_NODE_TYPE = Arrays
@@ -308,7 +304,11 @@ public class NsDescriptorGeneratorImpl implements NsDescriptorGenerator {
 
     private void setDefaultImportsForEtsiSolNsNsd(final ToscaTemplate template,
                                                   final List<VnfDescriptor> vnfDescriptorList) {
-        final List<Map<String, Map<String, String>>> importEntryMap = new ArrayList<>(DEFAULT_IMPORTS_ETSI_SOL_NSD);
+        final List<Map<String, Map<String, String>>> importEntryMap = new ArrayList<>();
+        final Map<String, Map<String, String>> defaultImportEntryMap = generateDefaultImportEntry();
+        if (MapUtils.isNotEmpty(defaultImportEntryMap)) {
+            importEntryMap.add(defaultImportEntryMap);
+        }
         if (CollectionUtils.isNotEmpty(vnfDescriptorList)) {
             for (final VnfDescriptor vnfDescriptor : vnfDescriptorList) {
                 final Map<String, String> vnfImportChildEntry = new HashMap<>();
@@ -322,6 +322,12 @@ public class NsDescriptorGeneratorImpl implements NsDescriptorGenerator {
         template.setImports(importEntryMap);
     }
 
+    private Map<String, Map<String, String>> generateDefaultImportEntry() {
+        return ImmutableMap.of("etsi_nfv_sol001_nsd_types",
+            ImmutableMap.of("file", "etsi_nfv_sol001_nsd_types.yaml")
+        );
+    }
+
     private ToscaNodeType createEtsiSolNsNodeType(final ToscaNodeType nsNodeType) {
         final ToscaNodeType toscaNodeType = new ToscaNodeType();
         toscaNodeType.setDerived_from(NS_TOSCA_TYPE);
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/EtsiVersion.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/EtsiVersion.java
new file mode 100644
index 0000000000..d447dc428d
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/EtsiVersion.java
@@ -0,0 +1,58 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.apache.commons.lang.StringUtils;
+
+/**
+ * Network Service Descriptor known versions
+ */
+@Getter
+@AllArgsConstructor
+public enum EtsiVersion {
+    VERSION_2_5_1("2.5.1"),
+    VERSION_2_7_1("2.7.1"),
+    VERSION_3_3_1("3.3.1");
+
+    private final String version;
+
+    public static EtsiVersion convertOrNull(final String etsiVersion) {
+        if (StringUtils.isEmpty(etsiVersion)) {
+            return null;
+        }
+        if (VERSION_2_5_1.getVersion().equals(etsiVersion)) {
+            return VERSION_2_5_1;
+        }
+        if (VERSION_2_7_1.getVersion().equals(etsiVersion)) {
+            return VERSION_2_7_1;
+        }
+        if (VERSION_3_3_1.getVersion().equals(etsiVersion)) {
+            return VERSION_3_3_1;
+        }
+
+        return null;
+    }
+
+    public static EtsiVersion getDefaultVersion() {
+        return VERSION_2_5_1;
+    }
+}
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/NsDescriptorConfig.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/NsDescriptorConfig.java
new file mode 100644
index 0000000000..d17b48d158
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/NsDescriptorConfig.java
@@ -0,0 +1,35 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config;
+
+import lombok.Getter;
+
+/**
+ * Configuration parameters for the Network Service Descriptor generation
+ */
+@Getter
+public class NsDescriptorConfig {
+
+    final EtsiVersion nsVersion;
+
+    public NsDescriptorConfig(final EtsiVersion etsiVersion) {
+        this.nsVersion = etsiVersion;
+    }
+}
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/NsDescriptorVersionComparator.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/NsDescriptorVersionComparator.java
new file mode 100644
index 0000000000..40e499c8c7
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/generator/config/NsDescriptorVersionComparator.java
@@ -0,0 +1,50 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator.config;
+
+import java.util.Comparator;
+
+public class NsDescriptorVersionComparator implements Comparator<EtsiVersion> {
+
+    @Override
+    public int compare(final EtsiVersion o1, final EtsiVersion o2) {
+        final String[] v1 = o1.getVersion().split("\\.");
+        final String[] v2 = o2.getVersion().split("\\.");
+        if (Integer.parseInt(v1[0]) > Integer.parseInt(v2[0])) {
+            return 1;
+        } else if (Integer.parseInt(v1[0]) < Integer.parseInt(v2[0])) {
+            return -1;
+        }
+
+        if (Integer.parseInt(v1[1]) > Integer.parseInt(v2[1])) {
+            return 1;
+        } else if (Integer.parseInt(v1[1]) < Integer.parseInt(v2[1])) {
+            return -1;
+        }
+
+        if (Integer.parseInt(v1[2]) > Integer.parseInt(v2[2])) {
+            return 1;
+        } else if (Integer.parseInt(v1[2]) < Integer.parseInt(v2[2])) {
+            return -1;
+        }
+
+        return 0;
+    }
+}
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.5.1/etsi_nfv_sol001_nsd_types.yaml b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.5.1/etsi_nfv_sol001_nsd_types.yaml
new file mode 100644
index 0000000000..8ecb7126df
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.5.1/etsi_nfv_sol001_nsd_types.yaml
@@ -0,0 +1,527 @@
+tosca_definitions_version: tosca_simple_yaml_1_2
+description: ETSI NFV SOL 001 nsd types definitions version 2.5.1
+
+imports:
+  - etsi_nfv_sol001_vnfd_types.yaml
+
+data_types:
+  tosca.datatypes.nfv.ServiceAvailability:
+    derived_from: tosca.datatypes.Root
+    description: service availability
+    properties:
+      level:
+        type: string
+        description: service availability levels
+        required: true
+        constraints:
+          - valid_values: [ level1, level2, level3 ]
+
+  tosca.datatypes.nfv.L2AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Describes the information on the MAC addresses to be assigned to a connection point.
+    properties:
+      mac_address_assignment:
+        type: boolean
+        description: Specifies if the address assignment is the responsibility of management and orchestration function or not. If it is set to True, it is the management and orchestration function responsibility
+        required: true
+
+  tosca.datatypes.nfv.L3AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Provides information about Layer 3 level addressing scheme and parameters applicable to a CP
+    properties:
+      ip_address_assignment:
+        type: boolean
+        description: Specifies if the address assignment is the responsibility of management and orchestration function or not. If it is set to True, it is the management and orchestration function responsibility
+        required: true
+      floating_ip_activated:
+        type: boolean
+        description: Specifies if the floating IP scheme is activated on the Connection Point or not
+        required: true
+      ip_address_type:
+        type: string
+        description: Defines address type. The address type should be aligned with the address type supported by the layer_protocols properties of the parent VnfExtCp
+        required: false
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+      number_of_ip_address:
+        type: integer
+        description: Minimum number of IP addresses to be assigned
+        required: false
+        constraints:
+          - greater_than: 0
+
+  tosca.datatypes.nfv.AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Describes information about the addressing scheme and parameters applicable to a CP
+    properties:
+      address_type:
+        type: string
+        description: Describes the type of the address to be assigned to a connection point. The content type shall be aligned with the address type supported by the layerProtocol property of the connection point
+        required: true
+        constraints:
+          - valid_values: [ mac_address, ip_address ]
+      l2_address_data:
+        type: tosca.datatypes.nfv.L2AddressData
+        description: Provides the information on the MAC addresses to be assigned to a connection point.
+        required: false
+      l3_address_data:
+        type: tosca.datatypes.nfv.L3AddressData
+        description: Provides the information on the IP addresses to be assigned to a connection point
+        required: false
+
+  tosca.datatypes.nfv.ConnectivityType:
+    derived_from: tosca.datatypes.Root
+    description: describes additional connectivity information of a virtualLink
+    properties:
+      layer_protocols:
+        type: list
+        description: Identifies the protocol a virtualLink gives access to (ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire).The top layer protocol of the virtualLink protocol stack shall always be provided. The lower layer protocols may be included when there are specific requirements on these layers.
+        required: true
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      flow_pattern:
+        type: string
+        description: Identifies the flow pattern of the connectivity
+        required: false
+        constraints:
+          - valid_values: [ line, tree, mesh ]
+
+  tosca.datatypes.nfv.NsVlProfile:
+    derived_from: tosca.datatypes.Root
+    description: Describes additional instantiation data for a given NsVirtualLink used in a specific NS deployment flavour.
+    properties:
+      max_bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Specifies the maximum bitrate requirements for a VL instantiated according to this profile.
+        required: true
+      min_bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Specifies the minimum bitrate requirements for a VL instantiated according to this profile.
+        required: true
+      qos:
+        type: tosca.datatypes.nfv.NsVirtualLinkQos
+        description: Specifies the QoS requirements of a VL instantiated according to this profile.
+        required: false
+      service_availability:
+        type: tosca.datatypes.nfv.ServiceAvailability
+        description: Network service virtual link service availability levels, as described in ETSI GS NFV-REL 001
+        required: false
+
+  tosca.datatypes.nfv.VirtualLinkProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes one protocol layer and associated protocol data for a given virtual link used in a specific VNF deployment flavour
+    properties:
+      associated_layer_protocol:
+        type: string
+        description: Identifies one of the protocols a virtualLink gives access to (ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire) as specified by the connectivity_type property.
+        required: true
+        constraints:
+          - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      l2_protocol_data:
+        type: tosca.datatypes.nfv.L2ProtocolData
+        description: Specifies the L2 protocol data for a virtual link. Shall be present when the associatedLayerProtocol attribute indicates a L2 protocol and shall be absent otherwise.
+        required: false
+      l3_protocol_data:
+        type: tosca.datatypes.nfv.L3ProtocolData
+        description: Specifies the L3 protocol data for this virtual link.  Shall be present when the associatedLayerProtocol attribute indicates a L3 protocol and shall be absent otherwise.
+        required: false
+
+  tosca.datatypes.nfv.L2ProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes L2 protocol data for a given virtual link used in a specific VNF deployment flavour.
+    properties:
+      name:
+        type: string
+        description: Identifies the network name associated with this L2 protocol.
+        required: false
+      network_type:
+        type: string
+        description: Specifies the network type for this L2 protocol.The value may be overridden at run-time.
+        required: false
+        constraints:
+          - valid_values: [ flat, vlan, vxlan, gre ]
+      vlan_transparent:
+        type: boolean
+        description: Specifies whether to support VLAN transparency for this L2 protocol or not.
+        required: false
+        default: false
+      mtu:
+        type: integer
+        description: Specifies the maximum transmission unit (MTU) value for this L2 protocol.
+        required: false
+        constraints:
+          - greater_than: 0
+
+  tosca.datatypes.nfv.L3ProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes L3 protocol data for a given virtual link used in a specific VNF deployment flavour.
+    properties:
+      name:
+        type: string
+        description: Identifies the network name associated with this L3 protocol.
+        required: false
+      ip_version:
+        type: string
+        description: Specifies IP version of this L3 protocol.The value of the ip_version property shall be consistent with the value of the layer_protocol in the connectivity_type property of the virtual link node.
+        required: true
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+      cidr:
+        type: string
+        description: Specifies the CIDR (Classless Inter-Domain Routing) of this L3 protocol. The value may be overridden at run-time.
+        required: true
+      ip_allocation_pools:
+        type: list
+        description: Specifies the allocation pools with start and end IP addresses for this L3 protocol. The value may be overridden at run-time.
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.IpAllocationPool
+      gateway_ip:
+        type: string
+        description: Specifies the gateway IP address for this L3 protocol. The value may be overridden at run-time.
+        required: false
+      dhcp_enabled:
+        type: boolean
+        description: Indicates whether DHCP (Dynamic Host Configuration Protocol) is enabled or disabled for this L3 protocol. The value may be overridden at run-time.
+        required: false
+      ipv6_address_mode:
+        type: string
+        description: Specifies IPv6 address mode. May be present when the value of the ipVersion attribute is "ipv6" and shall be absent otherwise. The value may be overridden at run-time.
+        required: false
+        constraints:
+          - valid_values: [ slaac, dhcpv6-stateful, dhcpv6-stateless ]
+
+  tosca.datatypes.nfv.IpAllocationPool:
+    derived_from: tosca.datatypes.Root
+    description: Specifies a range of IP addresses
+    properties:
+      start_ip_address:
+        type: string
+        description: The IP address to be used as the first one in a pool of addresses derived from the cidr block full IP range
+        required: true
+      end_ip_address:
+        type: string
+        description: The IP address to be used as the last one in a pool of addresses derived from the cidr block full IP range
+        required: true
+
+  tosca.datatypes.nfv.LinkBitrateRequirements:
+    derived_from: tosca.datatypes.Root
+    description: describes the requirements in terms of bitrate for a virtual link
+    properties:
+      root:
+        type: integer # in bits per second
+        description: Specifies the throughput requirement in bits per second of the link (e.g. bitrate of E-Line, root bitrate of E-Tree, aggregate capacity of E-LAN).
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      leaf:
+        type: integer # in bits per second
+        description: Specifies the throughput requirement in bits per second of leaf connections to the link when applicable to the connectivity type (e.g. for E-Tree and E LAN branches).
+        required: false
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.NsVirtualLinkQos:
+    derived_from: tosca.datatypes.nfv.Qos
+    description: describes QoS data for a given VL used in a VNF deployment flavour
+    properties:
+      priority:
+        type: integer
+        description: Specifies the priority level in case of congestion on the underlying physical links
+        required: false
+
+  tosca.datatypes.nfv.CpProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: Describes and associates the protocol layer that a CP uses together with other protocol and connection point information
+    properties:
+      associated_layer_protocol:
+        type: string
+        required: true
+        description: One of the values of the property layer_protocols of the CP
+        constraints:
+          - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      address_data:
+        type: list
+        description: Provides information on the addresses to be assigned to the CP
+        entry_schema:
+          type: tosca.datatypes.nfv.AddressData
+
+  tosca.datatypes.nfv.VnfProfile:
+    derived_from: tosca.datatypes.Root
+    description: describes a profile for instantiating VNFs of a particular NS DF according to a specific VNFD and VNF DF.
+    properties:
+      instantiation_level:
+        type: string
+        description: Identifier of the instantiation level of the VNF DF to be used for instantiation. If not present, the default instantiation level as declared in the VNFD shall be used.
+        required: false
+      min_number_of_instances:
+        type: integer
+        description: Minimum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      max_number_of_instances:
+        type: integer
+        description: Maximum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.Qos:
+    derived_from: tosca.datatypes.Root
+    description: describes QoS data for a given VL used in a VNF deployment flavour
+    properties:
+      latency:
+        type: scalar-unit.time #Number
+        description: Specifies the maximum latency
+        required: true
+        constraints:
+          - greater_than: 0 s
+      packet_delay_variation:
+        type: scalar-unit.time #Number
+        description: Specifies the maximum jitter
+        required: true
+        constraints:
+          - greater_or_equal: 0 s
+      packet_loss_ratio:
+        type: float
+        description: Specifies the maximum packet loss ratio
+        required: false
+        constraints:
+          - in_range: [ 0.0, 1.0 ]
+
+capability_types:
+  tosca.capabilities.nfv.VirtualLinkable:
+    derived_from: tosca.capabilities.Node
+    description: A node type that includes the VirtualLinkable capability indicates that it can be pointed by tosca.relationships.nfv.VirtualLinksTo relationship type
+
+relationship_types:
+  tosca.relationships.nfv.VirtualLinksTo:
+    derived_from: tosca.relationships.DependsOn
+    description: Represents an association relationship between the VNF or PNF or Sap of a Nested NS and NsVirtualLink node types
+    valid_target_types: [ tosca.capabilities.nfv.VirtualLinkable ]
+
+interface_types:
+  tosca.interfaces.nfv.Nslcm:
+    derived_from: tosca.interfaces.Root
+    description: This interface encompasses a set of TOSCA operations corresponding to NS LCM operations defined in ETSI GS NFV-IFA 013. as well as to preamble and postamble procedures to the execution of the NS LCM operations.
+    instantiate_start:
+      description: Preamble to execution of the instantiate operation
+    instantiate:
+      description: Base procedure for instantiating an NS, corresponding to the Instantiate NS operation defined in GS NFV-IFA 013.
+    instantiate_end:
+      description: Postamble to the execution of the instantiate operation
+    terminate_start:
+      description: Preamble to execution of the terminate operation
+    terminate:
+      description: Base procedure for terminating an NS, corresponding to the Terminate NS operation defined in GS NFV-IFA 013.
+    terminate _end:
+      description: Postamble to the execution of the terminate operation
+    update_start:
+      description: Preamble to execution of the update operation
+    update:
+      description: Base procedure for updating an NS, corresponding to the Update NS operation defined in GS NFV-IFA 013.
+    update_end:
+      description: Postamble to the execution of the update operation
+    scale_start:
+      description: Preamble to execution of the scale operation
+    scale:
+      description: Base procedure for scaling an NS, corresponding to the Scale NS operation defined in GS NFV-IFA 013.
+    scale _end:
+      description: Postamble to the execution of the scale operation
+    heal_start:
+      description: Preamble to execution of the heal operation
+    heal:
+      description: Base procedure for healing an NS, corresponding to the Heal NS operation defined in GS NFV-IFA 013.
+    heal _end:
+      description: Postamble to the execution of the heal operation
+group_types:
+  tosca.groups.nfv.PlacementGroup:
+    derived_from: tosca.groups.Root
+    description: PlacementGroup is used for describing the affinity or anti-affinity relationship applicable between VNF instances created using different VNFDs, the Virtual Link instances created using different VLDs or the nested NS instances created using different NSDs
+    properties:
+      description:
+        type: string
+        description: Human readable description of the group
+        required: true
+    members: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS ]
+
+node_types:
+  tosca.nodes.nfv.Cp:
+    derived_from: tosca.nodes.Root
+    description:  Provides information regarding the purpose of the connection point
+    properties:
+      layer_protocols:
+        type: list
+        description: Identifies which protocol the connection point uses for connectivity purposes
+        required: true
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      role: #Name in ETSI NFV IFA011 v0.7.3: cpRole
+        type: string
+        description: Identifies the role of the port in the context of the traffic flow patterns in the VNF or parent NS
+        required: false
+        constraints:
+          - valid_values: [ root, leaf ]
+      description:
+        type: string
+        description: Provides human-readable information on the purpose of the connection point
+        required: false
+      protocol:
+        type: list
+        description: Provides information on the addresses to be assigned to the connection point(s) instantiated from this Connection Point Descriptor
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.CpProtocolData
+      trunk_mode:
+        type: boolean
+        description: Provides information about whether the CP instantiated from this Cp is in Trunk mode (802.1Q or other)
+        required: true
+
+  tosca.nodes.nfv.NS:
+    derived_from: tosca.nodes.Root
+    properties:
+      descriptor_id:
+        type: string # GUID
+        description: Identifier of this NS descriptor
+        required: true
+      designer:
+        type: string
+        description: Identifies the designer of the NSD.
+        required: true
+      version:
+        type: string
+        description: Identifies the version of the NSD.
+        required: true
+      name:
+        type: string
+        description: Provides the human readable name of the NSD.
+        required: true
+      invariant_id:
+        type: string
+        description: Identifies an NSD in a version independent manner. This attribute is invariant across versions of NSD.
+        required: true
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          node: tosca.nodes.nfv.NsVirtualLink
+          occurrences: [ 0, 1 ]
+    interfaces:
+      Nslcm:
+        type: tosca.interfaces.nfv.Nslcm
+
+
+  tosca.nodes.nfv.Sap:
+    derived_from: tosca.nodes.nfv.Cp
+    description: node definition of SAP.
+    requirements:
+      - external_virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+      - internal_virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+
+  tosca.nodes.nfv.NsVirtualLink:
+    derived_from: tosca.nodes.Root
+    description: node definition of Virtual Links
+    properties:
+      vl_profile:
+        type: tosca.datatypes.nfv.NsVlProfile # only covers min/max bitrate requirements
+        description: Specifies instantiation parameters for a virtual link of a particular NS deployment flavour.
+        required: true
+      connectivity_type:
+        type: tosca.datatypes.nfv.ConnectivityType
+        required: true
+      test_access:
+        type: list
+        description: Test access facilities available on the VL
+        required: false
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ passive_monitoring, active_loopback ]
+      description:
+        type: string
+        required: false
+        description: Human readable information on the purpose of the virtual link (e.g. VL for control plane traffic).
+    capabilities:
+      virtual_linkable:
+        type: tosca.capabilities.nfv.VirtualLinkable
+
+policy_types:
+  tosca.policies.nfv.AffinityRule:
+    derived_from: tosca.policies.Placement
+    description: The AffinityRule describes the affinity rules applicable for the defined targets
+    properties:
+      scope:
+        type: string
+        description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
+        required: true
+        constraints:
+          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop ]
+    targets: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS, tosca.groups.nfv.PlacementGroup ]
+
+  tosca.policies.nfv.AntiAffinityRule:
+    derived_from: tosca.policies.Placement
+    description: The AntiAffinityRule describes the anti-affinity rules applicable for the defined targets
+    properties:
+      scope:
+        type: string
+        description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
+        required: true
+        constraints:
+          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop ]
+    targets: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS, tosca.groups.nfv.PlacementGroup ]
+
+  tosca.policies.nfv.SecurityGroupRule:
+    derived_from: tosca.policies.Root
+    description: The SecurityGroupRule type is a policy type specified the matching criteria for the ingress and/or egress traffic to/from visited connection points as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      description:
+        type: string
+        description: Human readable description of the security group rule.
+        required: false
+      direction:
+        type: string
+        description: The direction in which the security group rule is applied. The direction of 'ingress' or 'egress' is specified against the associated CP. I.e., 'ingress' means the packets entering a CP, while 'egress' means the packets sent out of a CP.
+        required: false
+        constraints:
+          - valid_values: [ ingress, egress ]
+        default: ingress
+      ether_type:
+        type: string
+        description: Indicates the protocol carried over the Ethernet layer.
+        required: false
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+        default: ipv4
+      protocol:
+        type: string
+        description: Indicates the protocol carried over the IP layer. Permitted values include any protocol defined in the IANA protocol registry, e.g. TCP, UDP, ICMP, etc.
+        required: false
+        constraints:
+          - valid_values: [ hopopt, icmp, igmp, ggp, ipv4, st, tcp, cbt, egp, igp, bbn_rcc_mon, nvp_ii, pup, argus, emcon, xnet, chaos, udp, mux, dcn_meas, hmp, prm, xns_idp, trunk_1, trunk_2, leaf_1, leaf_2, rdp, irtp, iso_tp4, netblt, mfe_nsp, merit_inp, dccp, 3pc, idpr, xtp, ddp, idpr_cmtp, tp++, il, ipv6, sdrp, ipv6_route, ipv6_frag, idrp, rsvp, gre, dsr, bna, esp, ah, i_nlsp, swipe, narp, mobile, tlsp, skip, ipv6_icmp, ipv6_no_nxt, ipv6_opts, cftp, sat_expak, kryptolan, rvd, ippc, sat_mon, visa, ipcv, cpnx, cphb, wsn, pvp, br_sat_mon, sun_nd, wb_mon, wb_expak, iso_ip, vmtp, secure_vmtp, vines, ttp, iptm, nsfnet_igp, dgp, tcf, eigrp, ospfigp, sprite_rpc, larp, mtp, ax.25, ipip, micp, scc_sp, etherip, encap, gmtp, ifmp, pnni, pim, aris, scps, qnx, a/n, ip_comp, snp, compaq_peer, ipx_in_ip, vrrp, pgm, l2tp, ddx, iatp, stp, srp, uti, smp, sm, ptp, isis, fire, crtp, crudp, sscopmce, iplt, sps, pipe, sctp, fc, rsvp_e2e_ignore, mobility, udp_lite, mpls_in_ip, manet, hip, shim6, wesp, rohc ]
+        default: tcp
+      port_range_min:
+        type: integer
+        description: Indicates minimum port number in the range that is matched by the security group rule. If a value is provided at design-time, this value may be overridden at run-time based on other deployment requirements or constraints.
+        required: false
+        constraints:
+          - greater_or_equal: 0
+          - less_or_equal: 65535
+        default: 0
+      port_range_max:
+        type: integer
+        description: Indicates maximum port number in the range that is matched by the security group rule. If a value is provided at design-time, this value may be overridden at run-time based on other deployment requirements or constraints.
+        required: false
+        constraints:
+          - greater_or_equal: 0
+          - less_or_equal: 65535
+        default: 65535
+    targets: [ tosca.nodes.nfv.Sap ]
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.5.1/etsi_nfv_sol001_vnfd_types.yaml b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.5.1/etsi_nfv_sol001_vnfd_types.yaml
new file mode 100644
index 0000000000..d132504cb5
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.5.1/etsi_nfv_sol001_vnfd_types.yaml
@@ -0,0 +1,1610 @@
+tosca_definitions_version: tosca_simple_yaml_1_2
+description: ETSI NFV SOL 001 vnfd types definitions version 2.5.1
+
+data_types:
+  tosca.datatypes.nfv.L2AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Describes the information on the MAC addresses to be assigned to a connection point. 
+    properties:
+      mac_address_assignment:
+        type: boolean
+        description: Specifies if the address assignment is the responsibility of management and orchestration function or not. If it is set to True, it is the management and orchestration function responsibility
+        required: true 
+  
+  tosca.datatypes.nfv.L3AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Provides information about Layer 3 level addressing scheme and parameters applicable to a CP 
+    properties:
+      ip_address_assignment:
+        type: boolean
+        description: Specifies if the address assignment is the responsibility of management and orchestration function or not. If it is set to True, it is the management and orchestration function responsibility
+        required: true
+      floating_ip_activated:
+        type: boolean
+        description: Specifies if the floating IP scheme is activated on the Connection Point or not 
+        required: true
+      ip_address_type:
+        type: string
+        description: Defines address type. The address type should be aligned with the address type supported by the layer_protocols properties of the parent VnfExtCp
+        required: false
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+      number_of_ip_address:
+        type: integer
+        description: Minimum number of IP addresses to be assigned 
+        required: false
+        constraints:
+          - greater_than: 0
+
+  tosca.datatypes.nfv.AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Describes information about the addressing scheme and parameters applicable to a CP 
+    properties:
+      address_type:
+        type: string
+        description: Describes the type of the address to be assigned to a connection point. The content type shall be aligned with the address type supported by the layerProtocol property of the connection point
+        required: true
+        constraints:
+          - valid_values: [ mac_address, ip_address ]
+      l2_address_data:
+        type: tosca.datatypes.nfv.L2AddressData
+        description: Provides the information on the MAC addresses to be assigned to a connection point.
+        required: false
+      l3_address_data:
+        type: tosca.datatypes.nfv.L3AddressData
+        description: Provides the information on the IP addresses to be assigned to a connection point 
+        required: false
+
+  tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements:
+    derived_from: tosca.datatypes.Root
+    description: Describes requirements on a virtual network interface 
+    properties:
+      name:
+        type: string
+        description: Provides a human readable name for the requirement.    
+        required: false
+      description:
+        type: string
+        description: Provides a human readable description of the requirement.
+        required: false
+      support_mandatory:
+        type: boolean
+        description: Indicates whether fulfilling the constraint is mandatory (TRUE) for successful operation or desirable (FALSE).
+        required: true
+      network_interface_requirements:
+        type: map
+        description: The network interface requirements. A map of strings that contain a set of key-value pairs that describes the hardware platform specific  network interface deployment requirements.
+        required: true
+        entry_schema:
+          type: string 
+      nic_io_requirements:
+        type: tosca.datatypes.nfv.LogicalNodeData
+        description: references (couples) the CP with any logical node I/O requirements (for network devices) that may have been created. Linking these attributes is necessary so that so that I/O requirements that need to be articulated at the logical node level can be associated with the network interface requirements associated with the CP.
+        required: false
+
+  tosca.datatypes.nfv.ConnectivityType:
+    derived_from: tosca.datatypes.Root
+    description: describes additional connectivity information of a virtualLink 
+    properties:
+      layer_protocols:
+        type: list
+        description: Identifies the protocol a virtualLink gives access to (ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire).The top layer protocol of the virtualLink protocol stack shall always be provided. The lower layer protocols may be included when there are specific requirements on these layers.
+        required: true
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      flow_pattern:
+        type: string
+        description: Identifies the flow pattern of the connectivity
+        required: false
+        constraints:
+          - valid_values: [ line, tree, mesh ]
+
+  tosca.datatypes.nfv.RequestedAdditionalCapability:
+    derived_from: tosca.datatypes.Root
+    description: describes requested additional capability for a particular VDU
+    properties:
+      requested_additional_capability_name:
+        type: string
+        description: Identifies a requested additional capability for the VDU.
+        required: true
+      support_mandatory:
+        type: boolean
+        description: Indicates whether the requested additional capability is mandatory for successful operation.
+        required: true
+      min_requested_additional_capability_version:
+        type: string
+        description: Identifies the minimum version of the requested additional capability.
+        required: false
+      preferred_requested_additional_capability_version:
+        type: string
+        description: Identifies the preferred version of the requested additional capability.
+        required: false
+      target_performance_parameters:
+        type: map
+        description: Identifies specific attributes, dependent on the requested additional capability type.
+        required: true
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.VirtualMemory:
+    derived_from: tosca.datatypes.Root
+    description: supports the specification of requirements related to virtual memory of a virtual compute resource
+    properties:
+      virtual_mem_size:
+        type: scalar-unit.size 
+        description: Amount of virtual memory.
+        required: true
+      virtual_mem_oversubscription_policy:
+        type: string
+        description: The memory core oversubscription policy in terms of virtual memory to physical memory on the platform.
+        required: false
+      vdu_mem_requirements:
+        type: map
+        description: The hardware platform specific VDU memory requirements. A map of strings that contains a set of key-value pairs that describes hardware platform specific VDU memory requirements.
+        required: false
+        entry_schema:
+          type: string 
+      numa_enabled:
+        type: boolean
+        description: It specifies the memory allocation to be cognisant of the relevant process/core allocation.
+        required: false
+        default: false
+
+  tosca.datatypes.nfv.VirtualCpu:
+    derived_from: tosca.datatypes.Root
+    description: Supports the specification of requirements related to virtual CPU(s) of a virtual compute resource
+    properties:
+      cpu_architecture:
+        type: string
+        description: CPU architecture type. Examples are x86, ARM
+        required: false
+      num_virtual_cpu:
+        type: integer
+        description: Number of virtual CPUs
+        required: true
+        constraints:
+          - greater_than: 0
+      virtual_cpu_clock:
+        type: scalar-unit.frequency
+        description: Minimum virtual CPU clock rate
+        required: false
+      virtual_cpu_oversubscription_policy:
+        type: string
+        description: CPU core oversubscription policy e.g. the relation of virtual CPU cores to physical CPU cores/threads.
+        required: false
+      vdu_cpu_requirements:
+        type: map
+        description: The hardware platform specific VDU CPU requirements. A map of strings that contains a set of key-value pairs describing VDU CPU specific hardware platform requirements.
+        required: false
+        entry_schema:
+          type: string 
+      virtual_cpu_pinning:
+        type: tosca.datatypes.nfv.VirtualCpuPinning
+        description: The virtual CPU pinning configuration for the virtualised compute resource.
+        required: false
+
+  tosca.datatypes.nfv.VirtualCpuPinning:
+    derived_from: tosca.datatypes.Root
+    description: Supports the specification of requirements related to the virtual CPU pinning configuration of a virtual compute resource
+    properties:
+      virtual_cpu_pinning_policy:
+        type: string
+        description: 'Indicates the policy for CPU pinning. The policy can take values of "static" or "dynamic". In case of "dynamic" the allocation of virtual CPU cores to logical CPU cores is decided by the VIM. (e.g.: SMT (Simultaneous Multi-Threading) requirements). In case of "static" the allocation is requested to be according to the virtual_cpu_pinning_rule.'
+        required: false
+        constraints:
+          - valid_values: [ static, dynamic ]
+      virtual_cpu_pinning_rule:
+        type: list
+        description: Provides the list of rules for allocating virtual CPU cores to logical CPU cores/threads
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.VnfcConfigurableProperties:
+    derived_from: tosca.datatypes.Root
+    description: Defines the configurable properties of a VNFC 
+    # properties:
+      # additional_vnfc_configurable_properties:
+      #   type: tosca.datatypes.nfv.VnfcAdditionalConfigurableProperties  
+      #   description: Describes additional configuration for VNFC that
+      #   can be modified using the ModifyVnfInfo operation 
+      #   required: false
+      # derived types are expected to introduce
+      # additional_vnfc_configurable_properties with its type derived from
+      # tosca.datatypes.nfv.VnfcAdditionalConfigurableProperties
+
+  tosca.datatypes.nfv.VnfcAdditionalConfigurableProperties:
+    derived_from: tosca.datatypes.Root
+    description: VnfcAdditionalConfigurableProperties type is an empty base type for deriving data types for describing additional configurable properties for a given VNFC.
+
+  tosca.datatypes.nfv.VduProfile:
+    derived_from: tosca.datatypes.Root
+    description: describes additional instantiation data for a given Vdu.Compute used in a specific deployment flavour.
+    properties:
+      min_number_of_instances:
+        type: integer
+        description: Minimum number of instances of the VNFC based on this Vdu.Compute that is permitted to exist for a particular VNF deployment flavour. 
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      max_number_of_instances:
+        type: integer
+        description: Maximum number of instances of the VNFC based on this Vdu.Compute that is permitted to exist for a particular VNF deployment flavour. 
+        required: true
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.VlProfile:
+    derived_from: tosca.datatypes.Root
+    description: Describes additional instantiation data for a given VL used in a specific VNF deployment flavour.
+    properties:
+      max_bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Specifies the maximum bitrate requirements for a VL instantiated according to this profile.
+        required: true
+      min_bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Specifies the minimum bitrate requirements for a VL instantiated according to this profile.
+        required: true
+      qos:
+        type: tosca.datatypes.nfv.Qos
+        description: Specifies the QoS requirements of a VL instantiated according to this profile.
+        required: false
+      virtual_link_protocol_data:
+        type: list
+        description: Specifies the protocol data for a virtual link.
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualLinkProtocolData
+
+  tosca.datatypes.nfv.VirtualLinkProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes one protocol layer and associated protocol data for a given virtual link used in a specific VNF deployment flavour
+    properties:
+      associated_layer_protocol:
+         type: string
+         description: Identifies one of the protocols a virtualLink gives access to (ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire) as specified by the connectivity_type property.
+         required: true
+         constraints:
+           - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      l2_protocol_data:
+         type: tosca.datatypes.nfv.L2ProtocolData
+         description: Specifies the L2 protocol data for a virtual link. Shall be present when the associatedLayerProtocol attribute indicates a L2 protocol and shall be absent otherwise.
+         required: false
+      l3_protocol_data:
+         type: tosca.datatypes.nfv.L3ProtocolData
+         description: Specifies the L3 protocol data for this virtual link.  Shall be present when the associatedLayerProtocol attribute indicates a L3 protocol and shall be absent otherwise.
+         required: false
+
+  tosca.datatypes.nfv.L2ProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes L2 protocol data for a given virtual link used in a specific VNF deployment flavour.
+    properties:
+      name:
+        type: string
+        description: Identifies the network name associated with this L2 protocol.
+        required: false
+      network_type:
+        type: string
+        description: Specifies the network type for this L2 protocol.The value may be overridden at run-time.
+        required: false
+        constraints:
+          - valid_values: [ flat, vlan, vxlan, gre ]
+      vlan_transparent:
+        type: boolean
+        description: Specifies whether to support VLAN transparency for this L2 protocol or not.
+        required: false
+        default: false
+      mtu:
+        type: integer
+        description: Specifies the maximum transmission unit (MTU) value for this L2 protocol.
+        required: false
+        constraints:
+          - greater_than: 0 
+
+  tosca.datatypes.nfv.L3ProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes L3 protocol data for a given virtual link used in a specific VNF deployment flavour.
+    properties:
+      name:
+        type: string
+        description: Identifies the network name associated with this L3 protocol.
+        required: false
+      ip_version:
+        type: string
+        description: Specifies IP version of this L3 protocol.The value of the ip_version property shall be consistent with the value of the layer_protocol in the connectivity_type property of the virtual link node.
+        required: true
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+      cidr:
+        type: string
+        description: Specifies the CIDR (Classless Inter-Domain Routing) of this L3 protocol. The value may be overridden at run-time.
+        required: true  
+      ip_allocation_pools:
+        type: list
+        description: Specifies the allocation pools with start and end IP addresses for this L3 protocol. The value may be overridden at run-time.
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.IpAllocationPool
+      gateway_ip:
+        type: string
+        description: Specifies the gateway IP address for this L3 protocol. The value may be overridden at run-time.
+        required: false
+      dhcp_enabled:
+        type: boolean
+        description: Indicates whether DHCP (Dynamic Host Configuration Protocol) is enabled or disabled for this L3 protocol. The value may be overridden at run-time.
+        required: false
+      ipv6_address_mode:
+        type: string
+        description: Specifies IPv6 address mode. May be present when the value of the ipVersion attribute is "ipv6" and shall be absent otherwise. The value may be overridden at run-time.
+        required: false
+        constraints:
+          - valid_values: [ slaac, dhcpv6-stateful, dhcpv6-stateless ]
+
+  tosca.datatypes.nfv.IpAllocationPool:
+    derived_from: tosca.datatypes.Root
+    description: Specifies a range of IP addresses
+    properties:
+      start_ip_address:
+        type: string
+        description: The IP address to be used as the first one in a pool of addresses derived from the cidr block full IP range
+        required: true
+      end_ip_address:
+        type: string
+        description: The IP address to be used as the last one in a pool of addresses derived from the cidr block full IP range
+        required: true
+
+  tosca.datatypes.nfv.InstantiationLevel:
+    derived_from: tosca.datatypes.Root
+    description: Describes the scale level for each aspect that corresponds to a given level of resources to be instantiated within a deployment flavour in term of the number VNFC instances 
+    properties:
+      description:
+        type: string
+        description: Human readable description of the level 
+        required: true
+      scale_info:
+        type: map # key: aspectId
+        description: Represents for each aspect the scale level that corresponds to this instantiation level. scale_info shall be present if the VNF supports scaling.
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.ScaleInfo
+
+  tosca.datatypes.nfv.VduLevel:
+    derived_from: tosca.datatypes.Root
+    description: Indicates for a given Vdu.Compute in a given level the number of instances to deploy 
+    properties:
+      number_of_instances:
+        type: integer
+        description: Number of instances of VNFC based on this VDU to deploy for this level.  
+        required: true
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.VnfLcmOperationsConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: Represents information to configure lifecycle management operations  
+    properties:
+      instantiate:
+        type: tosca.datatypes.nfv.VnfInstantiateOperationConfiguration
+        description: Configuration parameters for the InstantiateVnf operation 
+        required: false
+      scale:
+        type: tosca.datatypes.nfv.VnfScaleOperationConfiguration
+        description: Configuration parameters for the ScaleVnf operation 
+        required: false
+      scale_to_level:
+        type: tosca.datatypes.nfv.VnfScaleToLevelOperationConfiguration
+        description: Configuration parameters for the ScaleVnfToLevel operation 
+        required: false
+      change_flavour:
+        type: tosca.datatypes.nfv.VnfChangeFlavourOperationConfiguration
+        description: Configuration parameters for the changeVnfFlavourOpConfig operation 
+        required: false
+      heal:
+        type: tosca.datatypes.nfv.VnfHealOperationConfiguration
+        description: Configuration parameters for the HealVnf operation 
+        required: false
+      terminate:
+        type: tosca.datatypes.nfv.VnfTerminateOperationConfiguration
+        description: Configuration parameters for the TerminateVnf operation 
+        required: false
+      operate:
+        type: tosca.datatypes.nfv.VnfOperateOperationConfiguration
+        description: Configuration parameters for the OperateVnf operation 
+        required: false
+      change_ext_connectivity:
+        type:   tosca.datatypes.nfv.VnfChangeExtConnectivityOperationConfiguration
+        description: Configuration parameters for the changeExtVnfConnectivityOpConfig operation 
+        required: false
+
+  tosca.datatypes.nfv.VnfInstantiateOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the InstantiateVnf operation.
+
+  tosca.datatypes.nfv.VnfScaleOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: Represents information that affect the invocation of the ScaleVnf operation 
+    properties:
+      scaling_by_more_than_one_step_supported:
+        type: boolean
+        description: Signals whether passing a value larger than one in the numScalingSteps parameter of the ScaleVnf operation is supported by this VNF.
+        required: false
+        default: false
+
+  tosca.datatypes.nfv.VnfScaleToLevelOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the ScaleVnfToLevel operation
+    properties:
+      arbitrary_target_levels_supported:
+        type: boolean
+        description: Signals whether scaling according to the parameter "scaleInfo" is supported by this VNF
+        required: true
+
+  tosca.datatypes.nfv.VnfHealOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the HealVnf operation 
+    properties:
+      causes:
+        type: list
+        description: Supported "cause" parameter values 
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.VnfTerminateOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the TerminateVnf 
+    properties:
+      min_graceful_termination_timeout:
+        type: scalar-unit.time
+        description: Minimum timeout value for graceful termination of a VNF instance 
+        required: true
+      max_recommended_graceful_termination_timeout:
+        type: scalar-unit.time
+        description: Maximum recommended timeout value that can be needed to gracefully terminate a VNF instance of a particular type under certain conditions, such as maximum load condition. This is provided by VNF provider as information for the operator facilitating the selection of optimal timeout value. This value is not used as constraint
+        required: false
+
+  tosca.datatypes.nfv.VnfOperateOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the OperateVnf operation 
+    properties:
+      min_graceful_stop_timeout:
+        type: scalar-unit.time
+        description: Minimum timeout value for graceful stop of a VNF instance 
+        required: true
+      max_recommended_graceful_stop_timeout:
+        type: scalar-unit.time
+        description: Maximum recommended timeout value that can be needed to gracefully stop a VNF instance of a particular type under certain conditions, such as maximum load condition. This is provided by VNF provider as information for the operator facilitating the selection of optimal timeout value. This value is not used as constraint
+        required: false
+
+  tosca.datatypes.nfv.ScaleInfo:
+    derived_from: tosca.datatypes.Root
+    description: Indicates for a given scaleAspect the corresponding scaleLevel 
+    properties:
+      scale_level:
+        type: integer
+        description: The scale level for a particular aspect 
+        required: true
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.ScalingAspect:
+    derived_from: tosca.datatypes.Root
+    properties:
+      name:
+        type: string
+        required: true
+      description:
+        type: string
+        required: true
+      max_scale_level:
+        type: integer # positiveInteger
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      step_deltas:
+        type: list
+        required: false
+        entry_schema:
+          type: string # Identifier
+
+  tosca.datatypes.nfv.LinkBitrateRequirements:
+    derived_from: tosca.datatypes.Root
+    description: describes the requirements in terms of bitrate for a virtual link 
+    properties:
+      root:
+        type: integer # in bits per second
+        description: Specifies the throughput requirement in bits per second of the link (e.g. bitrate of E-Line, root bitrate of E-Tree, aggregate capacity of E-LAN).
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      leaf:
+        type: integer # in bits per second
+        description: Specifies the throughput requirement in bits per second of leaf connections to the link when applicable to the connectivity type (e.g. for E-Tree and E LAN branches).
+        required: false
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.Qos:
+    derived_from: tosca.datatypes.Root
+    description: describes QoS data for a given VL used in a VNF deployment flavour 
+    properties:
+      latency:
+        type: scalar-unit.time #Number
+        description: Specifies the maximum latency 
+        required: true
+        constraints: 
+          - greater_than: 0 s
+      packet_delay_variation:
+        type: scalar-unit.time #Number
+        description: Specifies the maximum jitter  
+        required: true
+        constraints: 
+          - greater_or_equal: 0 s
+      packet_loss_ratio:
+        type: float
+        description: Specifies the maximum packet loss ratio 
+        required: false
+        constraints:
+           - in_range: [ 0.0, 1.0 ]
+
+  tosca.datatypes.nfv.VnfConfigurableProperties:
+    derived_from: tosca.datatypes.Root
+    description: indicates configuration properties for a given VNF (e.g. related to auto scaling and auto healing).
+    properties:
+      is_autoscale_enabled:
+        type: boolean
+        description: It permits to enable (TRUE)/disable (FALSE) the auto-scaling functionality. If the properties is not present for configuring, then VNF property is not supported 
+        required: false
+      is_autoheal_enabled:
+        type: boolean
+        description: It permits to enable (TRUE)/disable (FALSE) the auto-healing functionality. If the properties is not present for configuring, then VNF property is not supported 
+        required: false
+      # additional_configurable_properties:
+        # description: It provides VNF specific configurable properties that
+        # can be modified using the ModifyVnfInfo operation 
+        # required: false
+        # type: tosca.datatypes.nfv.VnfAdditionalConfigurableProperties
+      # derived types are expected to introduce
+      # additional_configurable_properties with its type derived from
+      # tosca.datatypes.nfv.VnfAdditionalConfigurableProperties
+
+  tosca.datatypes.nfv.VnfAdditionalConfigurableProperties:
+    derived_from: tosca.datatypes.Root 
+    description: is an empty base type for deriving data types for describing additional configurable properties for a given VNF
+
+  tosca.datatypes.nfv.VnfInfoModifiableAttributes:
+    derived_from: tosca.datatypes.Root
+    description: Describes VNF-specific extension and metadata for a given VNF 
+    #properties:
+      #extensions:
+        #type: tosca.datatypes.nfv.VnfInfoModifiableAttributesExtensions
+        #description: "Extension" properties of VnfInfo that are writeable 
+        #required: false
+        # derived types are expected to introduce
+        # extensions with its type derived from
+        # tosca.datatypes.nfv.VnfInfoModifiableAttributesExtensions
+      #metadata:
+        #type: tosca.datatypes.nfv.VnfInfoModifiableAttributesMetadata
+        #description: "Metadata" properties of VnfInfo that are writeable 
+        #required: false
+        # derived types are expected to introduce
+        # metadata with its type derived from
+        # tosca.datatypes.nfv.VnfInfoModifiableAttributesMetadata
+
+  tosca.datatypes.nfv.VnfInfoModifiableAttributesExtensions:
+    derived_from: tosca.datatypes.Root 
+    description: is an empty base type for deriving data types for describing VNF-specific extension
+
+  tosca.datatypes.nfv.VnfInfoModifiableAttributesMetadata:
+    derived_from: tosca.datatypes.Root
+    description: is an empty base type for deriving data types for describing VNF-specific metadata
+
+  tosca.datatypes.nfv.CpProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: Describes and associates the protocol layer that a CP uses together with other protocol and connection point information
+    properties:
+      associated_layer_protocol:
+        type: string
+        required: true
+        description: One of the values of the property layer_protocols of the CP 
+        constraints:
+          - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      address_data:
+        type: list
+        description: Provides information on the addresses to be assigned to the CP
+        entry_schema: 
+          type: tosca.datatypes.nfv.AddressData
+        required: false
+
+  tosca.datatypes.nfv.LogicalNodeData:
+    derived_from: tosca.datatypes.Root
+    description: Describes compute, memory and I/O requirements associated with a particular VDU.
+    properties:
+      logical_node_requirements:
+        type: map
+        description: The logical node-level compute, memory and I/O requirements. A map  of strings that contains a set of key-value pairs that describes hardware platform specific deployment requirements, including the number of CPU cores on this logical node, a memory configuration specific to a logical node  or a requirement related to the association of an I/O device with the logical node.
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.SwImageData:
+    derived_from: tosca.datatypes.Root
+    description: describes information  related to a software image artifact 
+    properties: # in SOL001 v0.8.0: "properties or metadata:"
+      name:
+        type: string
+        description: Name of this software image 
+        required: true
+      version:
+        type: string
+        description: Version of this software image 
+        required: true
+      checksum:
+        type: string
+        description:  Checksum of the software image file 
+        required: true
+      container_format:
+        type: string
+        description: The container format describes the container file format in which software image is provided 
+        required: true
+        constraints:
+          - valid_values: [ aki, ami, ari, bare, docker, ova, ovf ]
+      disk_format:
+        type: string
+        description: The disk format of a software image is the format of the underlying disk image 
+        required: true
+        constraints:
+          - valid_values: [ aki, ami, ari, iso, qcow2, raw, vdi, vhd, vhdx, vmdk ]  
+      min_disk:
+        type: scalar-unit.size # Number
+        description:  The minimal disk size requirement for this software image 
+        required: true
+      min_ram:
+        type: scalar-unit.size # Number
+        description: The minimal RAM requirement for this software image 
+        required: false
+      size:
+        type: scalar-unit.size # Number
+        description: The size of this software image 
+        required: true
+      operating_system:
+        type: string
+        description: Identifies the operating system used in the software image 
+        required: false
+      supported_virtualisation_environments:
+        type: list
+        description: Identifies the virtualisation environments (e.g. hypervisor) compatible with this software image 
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.VirtualBlockStorageData:
+    derived_from: tosca.datatypes.Root
+    description: VirtualBlockStorageData describes block storage requirements associated with compute resources in a particular VDU, either as a local disk or as virtual attached storage
+    properties:
+      size_of_storage:
+        type: scalar-unit.size
+        description: Size of virtualised storage resource
+        required: true
+      vdu_storage_requirements:
+        type: map
+        description: The hardware platform specific storage requirements. A map of strings that contains a set of key-value pairs that represents the hardware platform specific storage deployment requirements.
+        required: false 
+        entry_schema:
+          type: string
+      rdma_enabled:
+        type: boolean
+        description: Indicates if the storage support RDMA 
+        required: false
+        default: false
+
+  tosca.datatypes.nfv.VirtualObjectStorageData:
+      derived_from: tosca.datatypes.Root
+      description: VirtualObjectStorageData describes object storage requirements associated with compute resources in a particular VDU
+      properties:
+        max_size_of_storage:
+          type: scalar-unit.size
+          description: Maximum size of virtualized storage resource    
+          required: false
+
+  tosca.datatypes.nfv.VirtualFileStorageData:
+      derived_from: tosca.datatypes.Root
+      description: VirtualFileStorageData describes file storage requirements associated with compute resources in a particular VDU
+      properties:
+        size_of_storage:
+          type: scalar-unit.size
+          description: Size of virtualized storage resource
+          required: true
+        file_system_protocol:
+          type: string
+          description: The shared file system protocol (e.g. NFS, CIFS)
+          required: true
+
+  tosca.datatypes.nfv.VirtualLinkBitrateLevel:
+    derived_from: tosca.datatypes.Root
+    description: Describes bitrate requirements applicable to the virtual link instantiated from a particicular VnfVirtualLink 
+    properties:
+      bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Virtual link bitrate requirements for an instantiation level or bitrate delta for a scaling step 
+        required: true
+
+  tosca.datatypes.nfv.VnfOperationAdditionalParameters:
+    derived_from: tosca.datatypes.Root
+    description: Is an empty base type for deriving data type for describing VNF-specific parameters to be passed when invoking lifecycle management operations 
+    #properties:
+
+  tosca.datatypes.nfv.VnfChangeFlavourOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the ChangeVnfFlavour operation 
+    #properties:
+
+  tosca.datatypes.nfv.VnfChangeExtConnectivityOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the ChangeExtVnfConnectivity operation 
+    #properties:   
+
+  tosca.datatypes.nfv.VnfMonitoringParameter:
+    derived_from: tosca.datatypes.Root
+    description: Represents information on virtualised resource related performance metrics applicable to the VNF.
+    properties:
+      name:
+        type: string
+        description: Human readable name of the monitoring parameter
+        required: true
+      performance_metric:
+        type: string
+        description: Identifies the performance metric, according to ETSI GS NFV-IFA 027.
+        required: true
+        constraints:
+          - valid_values: [ v_cpu_usage_mean_vnf, v_cpu_usage_peak_vnf, v_memory_usage_mean_vnf, v_memory_usage_peak_vnf, v_disk_usage_mean_vnf, v_disk_usage_peak_vnf, byte_incoming_vnf_ext_cp, byte_outgoing_vnf_ext_cp, 
+packet_incoming_vnf_ext_cp, packet_outgoing_vnf_ext_cp ]
+      collection_period:
+        type: scalar-unit.time
+        description: Describes the recommended periodicity at which to collect the performance information.
+        required: false
+        constraints:
+          - greater_than: 0 s
+
+  tosca.datatypes.nfv.VnfcMonitoringParameter:
+    derived_from: tosca.datatypes.Root
+    description: Represents information on virtualised resource related performance metrics applicable to the VNF.
+    properties:
+      name:
+        type: string
+        description: Human readable name of the monitoring parameter
+        required: true
+      performance_metric:
+        type: string
+        description: Identifies the performance metric, according to ETSI GS NFV-IFA 027.
+        required: true
+        constraints:
+          - valid_values: [ v_cpu_usage_mean_vnf, v_cpu_usage_peak_vnf, v_memory_usage_mean_vnf, v_memory_usage_peak_vnf, v_disk_usage_mean_vnf, v_disk_usage_peak_vnf, byte_incoming_vnf_int_cp, byte_outgoing_vnf_int_cp, packet_incoming_vnf_int_cp, packet_outgoing_vnf_int_cp ]
+      collection_period:
+        type: scalar-unit.time
+        description: Describes the recommended periodicity at which to collect the performance information.
+        required: false
+        constraints:
+          - greater_than: 0 s
+
+  tosca.datatypes.nfv.VirtualLinkMonitoringParameter:
+    derived_from: tosca.datatypes.Root
+    description: Represents information on virtualised resource related performance metrics applicable to the VNF.
+    properties:
+      name:
+        type: string
+        description: Human readable name of the monitoring parameter
+        required: true
+      performance_metric:
+        type: string
+        description: Identifies a performance metric derived from those defined in ETSI GS NFV-IFA 027.The packetOutgoingVirtualLink and packetIncomingVirtualLink metrics shall be obtained by aggregation the PacketOutgoing and PacketIncoming measurements defined in clause 7.1 of GS NFV-IFA 027 of all virtual link ports attached to the virtual link to which the metrics apply.
+        required: true
+        constraints:
+           - valid_values: [ packet_outgoing_virtual_link, packet_incoming_virtual_link ]
+      collection_period:
+        type: scalar-unit.time
+        description: Describes the recommended periodicity at which to collect the performance information.
+        required: false
+        constraints:
+          - greater_than: 0 s
+
+  tosca.datatypes.nfv.InterfaceDetails:
+    derived_from: tosca.datatypes.Root
+    description: information used to access an interface exposed by a VNF
+    properties:
+      uri_components:
+        type: tosca.datatypes.nfv.UriComponents
+        description: Provides components to build a Uniform Ressource Identifier (URI) where to access the interface end point.
+        required: false
+      interface_specific_data:
+        type: map
+        description: Provides additional details that are specific to the type of interface considered.
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.UriComponents:
+    derived_from: tosca.datatypes.Root
+    description: information used to build a URI that complies with IETF RFC 3986 [8].
+    properties:
+      scheme:
+        type: string # shall comply with IETF RFC3986
+        description: scheme component of a URI.
+        required: true
+      authority: 
+        type: tosca.datatypes.nfv.UriAuthority
+        description: Authority component of a URI
+        required: false
+      path:
+        type: string # shall comply with IETF RFC 3986
+        description: path component of a URI.
+        required: false
+      query:
+        type: string # shall comply with IETF RFC 3986
+        description: query component of a URI.
+        required: false
+      fragment:
+        type: string # shall comply with IETF RFC 3986
+        description: fragment component of a URI.
+        required: false
+
+  tosca.datatypes.nfv.UriAuthority:
+    derived_from: tosca.datatypes.Root
+    description: information that corresponds to the authority component of a URI as specified in IETF RFC 3986 [8]
+    properties:
+      user_info:
+        type: string # shall comply with IETF RFC 3986
+        description: user_info field of the authority component of a URI
+        required: false
+      host:
+        type: string # shall comply with IETF RFC 3986
+        description: host field of the authority component of a URI
+        required: false
+      port:
+        type: string # shall comply with IETF RFC 3986
+        description: port field of the authority component of a URI
+        required: false
+
+  tosca.datatypes.nfv.VnfProfile:
+    derived_from: tosca.datatypes.Root
+    description: describes a profile for instantiating VNFs of a particular NS DF according to a specific VNFD and VNF DF.
+    properties:
+      instantiation_level:
+        type: string
+        description: Identifier of the instantiation level of the VNF DF to be used for instantiation. If not present, the default instantiation level as declared in the VNFD shall be used.
+        required: false
+      min_number_of_instances:
+        type: integer
+        description: Minimum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      max_number_of_instances:
+        type: integer
+        description: Maximum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+
+artifact_types:
+  tosca.artifacts.nfv.SwImage:
+    derived_from: tosca.artifacts.Deployment.Image
+    description: describes the software image which is directly loaded on the virtualisation container realizing of the VDU or is to be loaded on a virtual storage resource. 
+
+  tosca.artifacts.Implementation.nfv.Mistral:
+    derived_from: tosca.artifacts.Implementation
+    description: artifacts for Mistral workflows 
+    mime_type: application/x-yaml
+    file_ext: [ yaml ]
+
+capability_types:
+  tosca.capabilities.nfv.VirtualBindable:
+    derived_from: tosca.capabilities.Node
+    description: Indicates that the node that includes it can be pointed by a tosca.relationships.nfv.VirtualBindsTo relationship type which is used to model the VduHasCpd association
+
+  tosca.capabilities.nfv.VirtualLinkable:
+    derived_from: tosca.capabilities.Root
+    description: A node type that includes the VirtualLinkable capability indicates that it can be pointed by tosca.relationships.nfv.VirtualLinksTo relationship type
+
+  tosca.capabilities.nfv.VirtualCompute:
+    derived_from: tosca.capabilities.Node
+    description: Describes the capabilities related to virtual compute resources 
+    properties:
+      logical_node:
+        type: map
+        description: Describes the Logical Node requirements 
+        required: false
+        entry_schema:
+           type: tosca.datatypes.nfv.LogicalNodeData
+      requested_additional_capabilities:
+        type: map
+        description: Describes additional capability for a particular VDU 
+        required: false
+        entry_schema:
+           type: tosca.datatypes.nfv.RequestedAdditionalCapability
+      compute_requirements:
+        type: map
+        required: false 
+        entry_schema:
+           type: string
+      virtual_memory:
+        type: tosca.datatypes.nfv.VirtualMemory
+        description: Describes virtual memory of the virtualized compute 
+        required: true
+      virtual_cpu:
+        type: tosca.datatypes.nfv.VirtualCpu
+        description: Describes virtual CPU(s) of the virtualized compute 
+        required: true
+      virtual_local_storage:
+        type: list
+        description: A list of virtual system disks created and destroyed as part of the VM lifecycle 
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualBlockStorageData
+          description: virtual system disk definition      
+
+  tosca.capabilities.nfv.VirtualStorage:
+    derived_from: tosca.capabilities.Root
+    description: Describes the attachment capabilities related to Vdu.Storage
+  
+relationship_types:
+  tosca.relationships.nfv.VirtualBindsTo:
+    derived_from: tosca.relationships.DependsOn
+    description: Represents an association relationship between Vdu.Compute and VduCp node types 
+    valid_target_types: [ tosca.capabilities.nfv.VirtualBindable ]
+
+  tosca.relationships.nfv.VirtualLinksTo:
+    derived_from: tosca.relationships.DependsOn
+    description: Represents an association relationship between the VduCp and VnfVirtualLink node types 
+    valid_target_types: [ tosca.capabilities.nfv.VirtualLinkable ]
+
+  tosca.relationships.nfv.AttachesTo:
+    derived_from: tosca.relationships.Root
+    description: Represents an association relationship between the Vdu.Compute and one of the node types, Vdu.VirtualBlockStorage, Vdu.VirtualObjectStorage or Vdu.VirtualFileStorage
+    valid_target_types: [ tosca.capabilities.nfv.VirtualStorage ]
+  
+interface_types:
+  tosca.interfaces.nfv.Vnflcm:
+    derived_from: tosca.interfaces.Root
+    description: This interface encompasses a set of TOSCA operations corresponding to the VNF LCM operations defined in ETSI GS NFV-IFA 007 as well as to preamble and postamble procedures to the execution of the VNF LCM operations.
+    instantiate:
+      description: Invoked upon receipt of an Instantiate VNF request
+      # inputs:
+        # additional_parameters:
+          # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+          # required: false
+        # derived types are expected to introduce additional_parameters with
+        # its type derived from 
+        # tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    instantiate_start:
+      description: Invoked before instantiate
+    instantiate_end:
+      description: Invoked after instantiate
+    terminate:
+      description: Invoked upon receipt Terminate VNF request
+      # inputs:
+        # additional_parameters:
+          # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+          # required: false
+        # derived types are expected to introduce additional_parameters with
+        # its type derived from
+        # tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    terminate_start:
+      description: Invoked before terminate
+    terminate_end:
+      description: Invoked after terminate
+    modify_information:
+      description: Invoked upon receipt of a Modify VNF Information request
+    modify_information_start:
+      description: Invoked before modify_information
+    modify_information_end:
+      description: Invoked after modify_information
+    change_flavour:
+      description: Invoked upon receipt of a Change VNF Flavour request
+      # inputs:
+        # additional_parameters:
+          # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+          # required: false
+        # derived types are expected to introduce additional_parameters with 
+        # its type derived from 
+        # tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    change_flavour_start:
+      description: Invoked before change_flavour
+    change_flavour_end:
+      description: Invoked after change_flavour
+    change_external_connectivity:
+      description: Invoked upon receipt of a Change External VNF Connectivity   request
+      # inputs:
+        # additional_parameters:
+          # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+          # required: false
+        # derived types are expected to introduce additional_parameters with 
+        # its type derived from 
+        # tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    change_external_connectivity_start:
+      description: Invoked before change_external_connectivity
+    change_external_connectivity_end:
+      description: Invoked after change_external_connectivity
+    operate:
+      description: Invoked upon receipt of an Operate VNF request
+      # inputs:
+        # additional_parameters:
+          # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+          # required: false
+        # derived types are expected to introduce additional_parameters with 
+        # its type derived from 
+        # tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    operate_start:
+      description: Invoked before operate
+    operate_end:
+      description: Invoked after operate
+    heal:
+      description: Invoked upon receipt of a Heal VNF request
+      # inputs:
+        # additional_parameters:
+          # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+          # required: false
+        # derived types are expected to introduce additional_parameters with 
+        # its type derived from 
+        # tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    heal_start:
+      description: Invoked before heal
+    heal_end:
+      description: Invoked after heal
+    scale:
+      description: Invoked upon receipt of a Scale VNF request
+      # inputs:
+        # additional_parameters:
+          # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+          # required: false
+        # derived types are expected to introduce additional_parameters with
+        # its type derived from 
+        # tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    scale_start:
+      description: Invoked before scale
+    scale_end:
+      description: Invoked after scale  
+    scale_to_level:
+      description: Invoked upon receipt of a Scale VNF to Level request
+      # inputs:
+        # additional_parameters:
+          # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+          # required: false
+        # derived types are expected to introduce additional_parameters with
+        # its type derived from
+        # tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    scale_to_level_start:
+      description: Invoked before scale_to_level
+    scale_to_level_end:
+      description: Invoked after scale_to_level
+    
+node_types:
+  tosca.nodes.nfv.VNF:
+    derived_from: tosca.nodes.Root
+    description: The generic abstract type from which all VNF specific abstract node types shall be derived to form, together with other node types, the TOSCA service template(s) representing the VNFD
+    properties:
+      descriptor_id: # instead of vnfd_id
+        type: string # GUID
+        description: Globally unique identifier of the VNFD
+        required: true
+      descriptor_version: # instead of vnfd_version
+        type: string
+        description: Identifies the version of the VNFD
+        required: true
+      provider: # instead of vnf_provider
+        type: string
+        description: Provider of the VNF and of the VNFD
+        required: true
+      product_name: # instead of vnf_product_name
+        type: string
+        description: Human readable name for the VNF Product
+        required: true
+      software_version: # instead of vnf_software_version
+        type: string
+        description: Software version of the VNF
+        required: true
+      product_info_name: # instead of vnf_product_info_name
+        type: string
+        description: Human readable name for the VNF Product
+        required: false
+      product_info_description: # instead of vnf_product_info_description
+        type: string
+        description: Human readable description of the VNF Product
+        required: false
+      vnfm_info:
+        type: list
+        required: true
+        description: Identifies VNFM(s) compatible with the VNF
+        entry_schema:
+          type: string
+      localization_languages:
+        type: list
+        description: Information about localization languages of the VNF
+        required: false
+        entry_schema:
+          type: string #IETF RFC 5646 string
+      default_localization_language:
+        type: string #IETF RFC 5646 string
+        description: Default localization language that is instantiated if no information about selected localization language is available
+        required: false
+      #configurable_properties:
+        #type: tosca.datatypes.nfv.VnfConfigurableProperties
+        #description: Describes the configurable properties of the VNF
+        #required: false
+        # derived types are expected to introduce configurable_properties 
+        # with its type derived from 
+        # tosca.datatypes.nfv.VnfConfigurableProperties
+      #modifiable_attributes:
+        #type: tosca.datatypes.nfv.VnfInfoModifiableAttributes
+        #description: Describes the modifiable attributes of the VNF
+        #required: false 
+        # derived types are expected to introduce modifiable_attributes
+        # with its type derived from
+        # tosca.datatypes.nfv.VnfInfoModifiableAttributes
+      lcm_operations_configuration:
+        type: tosca.datatypes.nfv.VnfLcmOperationsConfiguration
+        description: Describes the configuration parameters for the VNF LCM operations
+        required: false
+      monitoring_parameters:
+        type: list
+        entry_schema:
+          type: tosca.datatypes.nfv.VnfMonitoringParameter
+        description: Describes monitoring parameters applicable to the VNF.
+        required: false
+      flavour_id:
+        type: string
+        description: Identifier of the Deployment Flavour within the VNFD
+        required: true
+      flavour_description:
+        type: string
+        description: Human readable description of the DF
+        required: true
+      #vnf_profile:
+      #  type: tosca.datatypes.nfv.VnfProfile
+      #  description: Describes a profile for instantiating VNFs of a particular NS DF according to a specific VNFD and VNF DF
+      #  required: false
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 0, 1 ]
+  # Additional requirements shall be defined in the VNF specific node type (deriving from tosca.nodes.nfv.VNF) corresponding to NS virtual links that need to connect to VnfExtCps
+    interfaces:
+      Vnflcm:
+        type: tosca.interfaces.nfv.Vnflcm
+
+  tosca.nodes.nfv.VnfExtCp:
+    derived_from: tosca.nodes.nfv.Cp
+    description: Describes a logical external connection point, exposed by the VNF enabling connection with an external Virtual Link 
+    properties:
+      virtual_network_interface_requirements:
+        type: list
+        description: The actual virtual NIC requirements that is been assigned when instantiating the connection point 
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements
+    requirements:
+      - external_virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+      - internal_virtual_link: #name in ETSI NFV IFA011 v0.7.3: intVirtualLinkDesc
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+
+  tosca.nodes.nfv.Vdu.Compute:
+    derived_from: tosca.nodes.Root
+    description:  Describes the virtual compute part of a VDU which is a construct   supporting the description of the deployment and operational behavior of a VNFC 
+    properties:
+      name:
+        type: string
+        description: Human readable name of the VDU 
+        required: true
+      description:
+        type: string
+        description: Human readable description of the VDU 
+        required: true
+      boot_order:
+        type: list # explicit index (boot index) not necessary, contrary to IFA011
+        description: References a node template name from which a valid boot device is created 
+        required: false
+        entry_schema:
+          type: string
+      nfvi_constraints:
+        type: list
+        description: Describes constraints on the NFVI for the VNFC instance(s) created from this VDU 
+        required: false
+        entry_schema:
+          type: string
+      monitoring_parameters:
+        type: list
+        description: Describes monitoring parameters applicable to a VNFC instantiated from this VDU
+        required: false
+        entry_schema: 
+          type: tosca.datatypes.nfv.VnfcMonitoringParameter
+      #configurable_properties:
+         #type: tosca.datatypes.nfv.VnfcConfigurableProperties
+         #required: false 
+         # derived types are expected to introduce
+         # configurable_properties with its type derived from
+         # tosca.datatypes.nfv.VnfcConfigurableProperties
+      vdu_profile:
+        type: tosca.datatypes.nfv.VduProfile
+        description: Defines additional instantiation data for the VDU.Compute node 
+        required: true
+      sw_image_data:
+        type: tosca.datatypes.nfv.SwImageData
+        description: Defines information related to a SwImage artifact used by this Vdu.Compute node 
+        required: false # property is required when the node template has an associated artifact of type tosca.artifacts.nfv.SwImage and not required otherwise
+      boot_data:
+        type: string
+        description: Contains a string or a URL to a file contained in the VNF package used to customize a virtualised compute resource at boot time. The bootData may contain variable parts that are replaced by deployment specific values before being sent to the VIM.
+        required: false
+    capabilities:
+      virtual_compute:
+        type: tosca.capabilities.nfv.VirtualCompute
+        occurrences: [ 1, 1 ]
+      virtual_binding:
+        type: tosca.capabilities.nfv.VirtualBindable
+        occurrences: [ 1, UNBOUNDED ]
+    requirements:
+      - virtual_storage:
+          capability: tosca.capabilities.nfv.VirtualStorage
+          relationship: tosca.relationships.nfv.AttachesTo
+          occurrences: [ 0, UNBOUNDED ]
+
+  tosca.nodes.nfv.Vdu.VirtualBlockStorage:
+    derived_from: tosca.nodes.Root
+    description: This node type describes the specifications of requirements related to virtual block storage resources
+    properties:
+      virtual_block_storage_data:
+        type: tosca.datatypes.nfv.VirtualBlockStorageData
+        description: Describes the block storage characteristics. 
+        required: true
+      sw_image_data:
+        type: tosca.datatypes.nfv.SwImageData
+        description: Defines information related to a SwImage artifact used by this Vdu.Compute node. 
+        required: false # property is required when the node template has an associated artifact of type tosca.artifacts.nfv.SwImage and not required otherwise
+    capabilities:
+      virtual_storage:
+        type: tosca.capabilities.nfv.VirtualStorage
+        description: Defines the capabilities of virtual_storage.
+
+  tosca.nodes.nfv.Vdu.VirtualObjectStorage: 
+    derived_from: tosca.nodes.Root
+    description: This node type describes the specifications of requirements related to virtual object storage resources
+    properties:
+      virtual_object_storage_data:
+        type: tosca.datatypes.nfv.VirtualObjectStorageData
+        description: Describes the object  storage characteristics.
+        required: true
+    capabilities:
+      virtual_storage:
+        type: tosca.capabilities.nfv.VirtualStorage
+        description: Defines the capabilities of virtual_storage.
+
+  tosca.nodes.nfv.Vdu.VirtualFileStorage: 
+    derived_from: tosca.nodes.Root
+    description: This node type describes the specifications of requirements related to virtual file storage resources
+    properties:
+      virtual_file_storage_data:
+        type: tosca.datatypes.nfv.VirtualFileStorageData
+        description: Describes the file  storage characteristics.
+        required: true
+    capabilities:
+      virtual_storage:
+        type: tosca.capabilities.nfv.VirtualStorage
+        description: Defines the capabilities of virtual_storage.
+    requirements:
+     - virtual_link:
+         capability: tosca.capabilities.nfv.VirtualLinkable
+         relationship: tosca.relationships.nfv.VirtualLinksTo
+         #description: Describes the requirements for linking to virtual link
+
+  tosca.nodes.nfv.Cp:
+    derived_from: tosca.nodes.Root
+    description:  Provides information regarding the purpose of the connection point 
+    properties:
+      layer_protocols:
+        type: list
+        description: Identifies which protocol the connection point uses for connectivity purposes 
+        required: true
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      role: #Name in ETSI NFV IFA011 v0.7.3: cpRole
+        type: string
+        description: Identifies the role of the port in the context of the traffic flow patterns in the VNF or parent NS 
+        required: false
+        constraints:
+          - valid_values: [ root, leaf ]
+      description:
+        type: string
+        description: Provides human-readable information on the purpose of the connection point 
+        required: false
+      protocol:
+        type: list
+        description: Provides information on the addresses to be assigned to the connection point(s) instantiated from this Connection Point Descriptor 
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.CpProtocolData
+      trunk_mode:
+        type: boolean
+        description: Provides information about whether the CP instantiated from this Cp is in Trunk mode (802.1Q or other), When operating in "trunk mode", the Cp is capable of carrying traffic for several VLANs. Absence of this property implies that trunkMode is not configured for the Cp i.e. It is equivalent to boolean value "false".
+        required: false
+
+  tosca.nodes.nfv.VduCp:
+    derived_from: tosca.nodes.nfv.Cp
+    description: describes network connectivity between a VNFC instance based on this VDU and an internal VL 
+    properties:
+      bitrate_requirement:
+        type: integer   # in bits per second
+        description: Bitrate requirement in bit per second on this connection point 
+        required: false
+        constraints: 
+          - greater_or_equal: 0
+      virtual_network_interface_requirements:
+        type: list
+        description: Specifies requirements on a virtual network interface realising the CPs instantiated from this CPD 
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements
+      order:
+        type: integer
+        description: The order of the NIC on the compute instance (e.g.eth2)
+        required: false
+        constraints:
+          - greater_or_equal: 0
+      vnic_type: 
+        type: string
+        description: Describes the type of the virtual network interface realizing the CPs instantiated from this CPD
+        required: false
+        constraints:
+        - valid_values: [ normal, virtio, direct-physical ]
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+      - virtual_binding:
+          capability: tosca.capabilities.nfv.VirtualBindable
+          relationship: tosca.relationships.nfv.VirtualBindsTo
+          node: tosca.nodes.nfv.Vdu.Compute
+
+  tosca.nodes.nfv.VnfVirtualLink:
+    derived_from: tosca.nodes.Root
+    description: Describes the information about an internal VNF VL 
+    properties:
+      connectivity_type:
+        type: tosca.datatypes.nfv.ConnectivityType
+        description: Specifies the protocol exposed by the VL and the flow pattern supported by the VL 
+        required: true
+      description:
+        type: string
+        description: Provides human-readable information on the purpose of the VL 
+        required: false
+      test_access:
+        type: list
+        description: Test access facilities available on the VL 
+        required: false
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ passive_monitoring, active_loopback ]
+      vl_profile:
+        type: tosca.datatypes.nfv.VlProfile
+        description: Defines additional data for the VL 
+        required: true
+      monitoring_parameters:
+        type: list
+        description: Describes monitoring parameters applicable to the VL
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualLinkMonitoringParameter
+    capabilities:
+      virtual_linkable:
+        type: tosca.capabilities.nfv.VirtualLinkable
+  
+group_types:
+  tosca.groups.nfv.PlacementGroup:
+    derived_from: tosca.groups.Root
+    description: PlacementGroup is used for describing the affinity or anti-affinity relationship applicable between the virtualization containers to be created based on different VDUs, or between internal VLs to be created based on different VnfVirtualLinkDesc(s)
+    properties:
+      description:
+        type: string
+        description: Human readable description of the group
+        required: true
+    members: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink ]
+  
+policy_types:
+  tosca.policies.nfv.InstantiationLevels:
+    derived_from: tosca.policies.Root
+    description: The InstantiationLevels type is a policy type representing all the instantiation levels of resources to be instantiated within a deployment flavour and including default instantiation level in term of the number of VNFC instances to be created as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      levels:
+        type: map # key: levelId
+        description: Describes the various levels of resources that can be used to instantiate the VNF using this flavour.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.InstantiationLevel
+      default_level:
+        type: string # levelId
+        description: The default instantiation level for this flavour.
+        required: false # required if multiple entries in levels
+
+  tosca.policies.nfv.VduInstantiationLevels:
+    derived_from: tosca.policies.Root
+    description:  The VduInstantiationLevels type is a policy type representing all the instantiation levels of resources to be instantiated within a deployment flavour in term of the number of VNFC instances to be created from each vdu.Compute. as defined in ETSI GS NFV-IFA 011 [1]
+    properties:
+      levels:
+        type: map # key: levelId
+        description: Describes the Vdu.Compute levels of resources that can be used to instantiate the VNF using this flavour
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VduLevel
+    targets: [ tosca.nodes.nfv.Vdu.Compute ]
+
+  tosca.policies.nfv.VirtualLinkInstantiationLevels:
+    derived_from: tosca.policies.Root
+    description:  The VirtualLinkInstantiationLevels type is a policy type representing all the instantiation levels of virtual link resources to be instantiated within a deployment flavour as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      levels:
+        type: map # key: levelId
+        description: Describes the virtual link levels of resources that can be used to instantiate the VNF using this flavour.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
+    targets: [ tosca.nodes.nfv.VnfVirtualLink ]
+
+  tosca.policies.nfv.ScalingAspects:
+    derived_from: tosca.policies.Root
+    description: The ScalingAspects type is a policy type representing the scaling aspects used for horizontal scaling as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      aspects:
+        type: map # key: aspectId
+        description: Describe maximum scale level for total number of scaling steps that can be applied to a particular aspect
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.ScalingAspect
+
+  tosca.policies.nfv.VduScalingAspectDeltas:
+    derived_from: tosca.policies.Root
+    description: The VduScalingAspectDeltas type is a policy type representing the Vdu.Compute detail of an aspect deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      aspect:
+        type: string
+        description: Represents the scaling aspect to which this policy applies
+        required: true
+      deltas:
+        type: map # key: scalingDeltaId
+        description: Describes the Vdu.Compute scaling deltas to be applied for every scaling steps of a particular aspect.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VduLevel
+    targets: [ tosca.nodes.nfv.Vdu.Compute ]
+
+  tosca.policies.nfv.VirtualLinkBitrateScalingAspectDeltas:
+    derived_from: tosca.policies.Root
+    description: The VirtualLinkBitrateScalingAspectDeltas type is a policy type representing the VnfVirtualLink detail of an aspect deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      aspect:
+        type: string
+        description: Represents the scaling aspect to which this policy applies.
+        required: true
+      deltas:
+        type: map # key: scalingDeltaId
+        description: Describes the VnfVirtualLink scaling deltas to be applied for every scaling steps of a particular aspect.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
+    targets: [ tosca.nodes.nfv.VnfVirtualLink ]
+
+  tosca.policies.nfv.VduInitialDelta:
+    derived_from: tosca.policies.Root
+    description: The VduInitialDelta type is a policy type representing the Vdu.Compute detail of an initial delta used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      initial_delta:
+        type: tosca.datatypes.nfv.VduLevel
+        description: Represents the initial minimum size of the VNF.
+        required: true
+    targets: [ tosca.nodes.nfv.Vdu.Compute ]
+
+  tosca.policies.nfv.VirtualLinkBitrateInitialDelta:
+    derived_from: tosca.policies.Root
+    description: The VirtualLinkBitrateInitialDelta type is a policy type representing the VnfVirtualLink detail of an initial deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      initial_delta:
+        type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
+        description: Represents the initial minimum size of the VNF.
+        required: true
+    targets: [ tosca.nodes.nfv.VnfVirtualLink ]
+
+  tosca.policies.nfv.AffinityRule:
+    derived_from: tosca.policies.Placement
+    description: The AffinityRule describes the affinity rules applicable for the defined targets
+    properties:
+      scope:
+        type: string
+        description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
+        required: true
+        constraints:
+          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop ]
+    targets: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink, tosca.groups.nfv.PlacementGroup ]
+
+  tosca.policies.nfv.AntiAffinityRule:
+    derived_from: tosca.policies.Placement
+    description: The AntiAffinityRule describes the anti-affinity rules applicable for the defined targets
+    properties:
+      scope:
+        type: string
+        description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
+        required: true
+        constraints:
+          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop ]
+    targets: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink, tosca.groups.nfv.PlacementGroup ]
+
+  tosca.policies.nfv.SecurityGroupRule:
+    derived_from: tosca.policies.Root
+    description: The SecurityGroupRule type is a policy type specified the matching criteria for the ingress and/or egress traffic to/from visited connection points as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      description:
+        type: string
+        description: Human readable description of the security group rule.
+        required: false
+      direction:
+        type: string
+        description: The direction in which the security group rule is applied. The direction of 'ingress' or 'egress' is specified against the associated CP. I.e., 'ingress' means the packets entering a CP, while 'egress' means the packets sent out of a CP.
+        required: false
+        constraints:
+          - valid_values: [ ingress, egress ]
+        default: ingress
+      ether_type:
+        type: string
+        description: Indicates the protocol carried over the Ethernet layer.
+        required: false
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+        default: ipv4
+      protocol:
+        type: string
+        description: Indicates the protocol carried over the IP layer. Permitted values include any protocol defined in the IANA protocol registry, e.g. TCP, UDP, ICMP, etc.
+        required: false
+        constraints:
+          - valid_values: [ hopopt, icmp, igmp, ggp, ipv4, st, tcp, cbt, egp, igp, bbn_rcc_mon, nvp_ii, pup, argus, emcon, xnet, chaos, udp, mux, dcn_meas, hmp, prm, xns_idp, trunk_1, trunk_2, leaf_1, leaf_2, rdp, irtp, iso_tp4, netblt, mfe_nsp, merit_inp, dccp, 3pc, idpr, xtp, ddp, idpr_cmtp, tp++, il, ipv6, sdrp, ipv6_route, ipv6_frag, idrp, rsvp, gre, dsr, bna, esp, ah, i_nlsp, swipe, narp, mobile, tlsp, skip, ipv6_icmp, ipv6_no_nxt, ipv6_opts, cftp, sat_expak, kryptolan, rvd, ippc, sat_mon, visa, ipcv, cpnx, cphb, wsn, pvp, br_sat_mon, sun_nd, wb_mon, wb_expak, iso_ip, vmtp, secure_vmtp, vines, ttp, iptm, nsfnet_igp, dgp, tcf, eigrp, ospfigp, sprite_rpc, larp, mtp, ax.25, ipip, micp, scc_sp, etherip, encap, gmtp, ifmp, pnni, pim, aris, scps, qnx, a/n, ip_comp, snp, compaq_peer, ipx_in_ip, vrrp, pgm, l2tp, ddx, iatp, stp, srp, uti, smp, sm, ptp, isis, fire, crtp, crudp, sscopmce, iplt, sps, pipe, sctp, fc, rsvp_e2e_ignore, mobility, udp_lite, mpls_in_ip, manet, hip, shim6, wesp, rohc ]
+        default: tcp
+      port_range_min:
+        type: integer
+        description: Indicates minimum port number in the range that is matched by the security group rule. If a value is provided at design-time, this value may be overridden at run-time based on other deployment requirements or constraints.
+        required: false
+        constraints:
+          - greater_or_equal: 0
+          - less_or_equal: 65535
+        default: 0
+      port_range_max:
+        type: integer
+        description: Indicates maximum port number in the range that is matched by the security group rule. If a value is provided at design-time, this value may be overridden at run-time based on other deployment requirements or constraints.
+        required: false
+        constraints:
+          - greater_or_equal: 0
+          - less_or_equal: 65535
+        default: 65535
+    targets: [ tosca.nodes.nfv.VduCp, tosca.nodes.nfv.VnfExtCp ] 
+
+  tosca.policies.nfv.SupportedVnfInterface:
+    derived_from: tosca.policies.Root
+    description:  this policy type represents interfaces produced by a VNF, the details to access them and the applicable connection points to use to access these interfaces
+    properties:
+      interface_name:
+        type: string
+        description: Identifies an interface produced by the VNF.
+        required: true
+        constraints:
+          - valid_values: [ vnf_indicator, vnf_configuration ]
+      details:
+        type: tosca.datatypes.nfv.InterfaceDetails
+        description: Provide additional data to access the interface endpoint
+        required: false 
+    targets: [ tosca.nodes.nfv.VnfExtCp, tosca.nodes.nfv.VduCp ]
+
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/etsi_nfv_sol001_common_types.yaml b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.7.1/etsi_nfv_sol001_common_types.yaml
index 30ee213f57..30ee213f57 100644
--- a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/etsi_nfv_sol001_common_types.yaml
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.7.1/etsi_nfv_sol001_common_types.yaml
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/etsi_nfv_sol001_nsd_2_7_1_types.yaml b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.7.1/etsi_nfv_sol001_nsd_types.yaml
index 5d24beb9aa..5d24beb9aa 100644
--- a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/etsi_nfv_sol001_nsd_2_7_1_types.yaml
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/2.7.1/etsi_nfv_sol001_nsd_types.yaml
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_common_types.yaml b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_common_types.yaml
new file mode 100644
index 0000000000..2aa48fcdc2
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_common_types.yaml
@@ -0,0 +1,283 @@
+tosca_definitions_version: tosca_simple_yaml_1_3
+description: ETSI NFV SOL 001 common types definitions version 3.3.1
+metadata:
+  template_name: etsi_nfv_sol001_common_types
+  template_author: ETSI_NFV
+  template_version: 3.3.1
+
+data_types:
+  tosca.datatypes.nfv.L2AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Describes the information on the MAC addresses to be assigned to a connection point.
+    properties:
+      mac_address_assignment:
+        type: boolean
+        description: Specifies if the address assignment is the responsibility of management and orchestration function or not. If it is set to True, it is the management and orchestration function responsibility
+        required: true
+
+  tosca.datatypes.nfv.L3AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Provides information about Layer 3 level addressing scheme and parameters applicable to a CP
+    properties:
+      ip_address_assignment:
+        type: boolean
+        description: Specifies if the address assignment is the responsibility of management and orchestration function or not. If it is set to True, it is the management and orchestration function responsibility
+        required: true
+      floating_ip_activated:
+        type: boolean
+        description: Specifies if the floating IP scheme is activated on the Connection Point or not
+        required: true
+      ip_address_type:
+        type: string
+        description: Defines address type. The address type should be aligned with the address type supported by the layer_protocols properties of the connetion point
+        required: false
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+      number_of_ip_address:
+        type: integer
+        description: Minimum number of IP addresses to be assigned
+        required: false
+        constraints:
+          - greater_than: 0
+
+  tosca.datatypes.nfv.AddressData:
+    derived_from: tosca.datatypes.Root
+    description: Describes information about the addressing scheme and parameters applicable to a CP
+    properties:
+      address_type:
+        type: string
+        description: Describes the type of the address to be assigned to a connection point. The content type shall be aligned with the address type supported by the layerProtocol property of the connection point
+        required: true
+        constraints:
+          - valid_values: [ mac_address, ip_address ]
+      l2_address_data:
+        type: tosca.datatypes.nfv.L2AddressData
+        description: Provides the information on the MAC addresses to be assigned to a connection point.
+        required: false
+      l3_address_data:
+        type: tosca.datatypes.nfv.L3AddressData
+        description: Provides the information on the IP addresses to be assigned to a connection point
+        required: false
+
+  tosca.datatypes.nfv.ConnectivityType:
+    derived_from: tosca.datatypes.Root
+    description: describes additional connectivity information of a virtualLink
+    properties:
+      layer_protocols:
+        type: list
+        description: Identifies the protocol a virtualLink gives access to (ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire).The top layer protocol of the virtualLink protocol stack shall always be provided. The lower layer protocols may be included when there are specific requirements on these layers.
+        required: true
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      flow_pattern:
+        type: string
+        description: Identifies the flow pattern of the connectivity
+        required: false
+        constraints:
+          - valid_values: [ line, tree, mesh ]
+
+  tosca.datatypes.nfv.LinkBitrateRequirements:
+    derived_from: tosca.datatypes.Root
+    description: describes the requirements in terms of bitrate for a virtual link
+    properties:
+      root:
+        type: integer # in bits per second
+        description: Specifies the throughput requirement in bits per second of the link (e.g. bitrate of E-Line, root bitrate of E-Tree, aggregate capacity of E-LAN).
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      leaf:
+        type: integer # in bits per second
+        description: Specifies the throughput requirement in bits per second of leaf connections to the link when applicable to the connectivity type (e.g. for E-Tree and E LAN branches).
+        required: false
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.CpProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: Describes and associates the protocol layer that a CP uses together with other protocol and connection point information
+    properties:
+      associated_layer_protocol:
+        type: string
+        required: true
+        description: One of the values of the property layer_protocols of the CP
+        constraints:
+          - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      address_data:
+        type: list
+        description: Provides information on the addresses to be assigned to the CP
+        entry_schema:
+          type: tosca.datatypes.nfv.AddressData
+        required: false
+
+  tosca.datatypes.nfv.VnfProfile:
+    derived_from: tosca.datatypes.Root
+    description: describes a profile for instantiating VNFs of a particular NS DF according to a specific VNFD and VNF DF.
+    properties:
+      instantiation_level:
+        type: string
+        description: Identifier of the instantiation level of the VNF DF to be used for instantiation. If not present, the default instantiation level as declared in the VNFD shall be used.
+        required: false
+      min_number_of_instances:
+        type: integer
+        description: Minimum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      max_number_of_instances:
+        type: integer
+        description: Maximum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      service_availability_level:
+        type: integer
+        description: Specifies the service availability level for the VNF instance created from this profile.
+        required: false
+        constraints:
+          - greater_or_equal: 1
+
+  tosca.datatypes.nfv.Qos:
+    derived_from: tosca.datatypes.Root
+    description: describes QoS data for a given VL used in a VNF deployment flavour
+    properties:
+      latency:
+        type: scalar-unit.time #Number
+        description: Specifies the maximum latency
+        required: true
+        constraints:
+          - greater_than: 0 s
+      packet_delay_variation:
+        type: scalar-unit.time #Number
+        description: Specifies the maximum jitter
+        required: true
+        constraints:
+          - greater_or_equal: 0 s
+      packet_loss_ratio:
+        type: float
+        description: Specifies the maximum packet loss ratio
+        required: false
+        constraints:
+          - in_range: [ 0.0, 1.0 ]
+
+  tosca.datatypes.nfv.VnfMonitoringParameter:
+    derived_from: tosca.datatypes.Root
+    description: Represents information on virtualised resource related performance metrics applicable to the VNF.
+    properties:
+      name:
+        type: string
+        description: Human readable name of the monitoring parameter
+        required: true
+      performance_metric:
+        type: string
+        description: Identifies a performance metric to be monitored, according to ETSI GS NFV-IFA 027.
+        required: true
+        constraints:
+          - valid_values: [ v_cpu_usage_mean_vnf, v_cpu_usage_peak_vnf, v_memory_usage_mean_vnf, v_memory_usage_peak_vnf, v_disk_usage_mean_vnf, v_disk_usage_peak_vnf, byte_incoming_vnf_ext_cp, byte_outgoing_vnf_ext_cp, packet_incoming_vnf_ext_cp, packet_outgoing_vnf_ext_cp ]
+      collection_period:
+        type: scalar-unit.time
+        description: Describes the periodicity at which to collect the performance information.
+        required: false
+        constraints:
+          - greater_than: 0 s
+
+capability_types:
+  tosca.capabilities.nfv.VirtualLinkable:
+    derived_from: tosca.capabilities.Node
+    description: A node type that includes the VirtualLinkable capability indicates that it can be pointed by tosca.relationships.nfv.VirtualLinksTo relationship type
+
+relationship_types:
+  tosca.relationships.nfv.VirtualLinksTo:
+    derived_from: tosca.relationships.DependsOn
+    description: Represents an association relationship between the VduCp and VnfVirtualLink node types or the association between either a VnfExtCp, a PnfExtCp or a Sap and an NsVirtualLink node types.
+    valid_target_types: [ tosca.capabilities.nfv.VirtualLinkable ]
+
+  tosca.relationships.nfv.VipVirtualLinksTo:
+    derived_from: tosca.relationships.DependsOn
+    description: Represents an association relationship between the VipCp and a VnfVirtualLink node types or between the former and a NsVirtualLink node types.
+    valid_target_types: [ tosca.capabilities.nfv.VirtualLinkable ]
+
+node_types:
+  tosca.nodes.nfv.Cp:
+    derived_from: tosca.nodes.Root
+    description: Provides information regarding the purpose of the connection point
+    properties:
+      layer_protocols:
+        type: list
+        description: Identifies which protocol the connection point uses for connectivity purposes
+        required: true
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      role: #Name in ETSI NFV IFA011: cpRole
+        type: string
+        description: Identifies the role of the port in the context of the traffic flow patterns in the VNF or parent NS
+        required: false
+        constraints:
+          - valid_values: [ root, leaf ]
+      description:
+        type: string
+        description: Provides human-readable information on the purpose of the connection point
+        required: false
+      protocol:
+        type: list
+        description: Provides information on the addresses to be assigned to the connection point(s) instantiated from this Connection Point Descriptor
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.CpProtocolData
+      trunk_mode:
+        type: boolean
+        description: Provides information about whether the CP instantiated from this Cp is in Trunk mode (802.1Q or other), When operating in "trunk mode", the Cp is capable of carrying traffic for several VLANs. Absence of this property implies that trunkMode is not configured for the Cp i.e. It is equivalent to boolean value "false".
+        required: false
+
+policy_types:
+  tosca.policies.nfv.Abstract.SecurityGroupRule:
+    derived_from: tosca.policies.Root
+    description: The Abstract.SecurityGroupRule type represents an abstract policy type without any target requirements
+    properties:
+      description:
+        type: string
+        description: Human readable description of the security group rule.
+        required: false
+      direction:
+        type: string
+        description: The direction in which the security group rule is applied. The direction of 'ingress' or 'egress' is specified against the associated CP. I.e., 'ingress' means the packets entering a CP, while 'egress' means the packets sent out of a CP.
+        required: true
+        constraints:
+          - valid_values: [ ingress, egress ]
+        default: ingress
+      ether_type:
+        type: string
+        description: Indicates the protocol carried over the Ethernet layer.
+        required: true
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+        default: ipv4
+      protocol:
+        type: string
+        description: Indicates the protocol carried over the IP layer. Permitted values include any protocol defined in the IANA protocol registry, e.g. TCP, UDP, ICMP, etc.
+        required: true
+        constraints:
+          - valid_values: [ hopopt, icmp, igmp, ggp, ipv4, st, tcp, cbt, egp, igp, bbn_rcc_mon, nvp_ii, pup, argus, emcon, xnet, chaos, udp, mux, dcn_meas, hmp, prm, xns_idp, trunk_1, trunk_2, leaf_1, leaf_2, rdp, irtp, iso_tp4, netblt, mfe_nsp, merit_inp, dccp, 3pc, idpr, xtp, ddp, idpr_cmtp, tp++, il, ipv6, sdrp, ipv6_route, ipv6_frag, idrp, rsvp, gre, dsr, bna, esp, ah, i_nlsp, swipe, narp, mobile, tlsp, skip, ipv6_icmp, ipv6_no_nxt, ipv6_opts, cftp, sat_expak, kryptolan, rvd, ippc, sat_mon, visa, ipcv, cpnx, cphb, wsn, pvp, br_sat_mon, sun_nd, wb_mon, wb_expak, iso_ip, vmtp, secure_vmtp, vines, ttp, iptm, nsfnet_igp, dgp, tcf, eigrp, ospfigp, sprite_rpc, larp, mtp, ax.25, ipip, micp, scc_sp, etherip, encap, gmtp, ifmp, pnni, pim, aris, scps, qnx, a/n, ip_comp, snp, compaq_peer, ipx_in_ip, vrrp, pgm, l2tp, ddx, iatp, stp, srp, uti, smp, sm, ptp, isis, fire, crtp, crudp, sscopmce, iplt, sps, pipe, sctp, fc, rsvp_e2e_ignore, mobility, udp_lite, mpls_in_ip, manet, hip, shim6, wesp, rohc ]
+        default: tcp
+      port_range_min:
+        type: integer
+        description: Indicates minimum port number in the range that is matched by the security group rule. If a value is provided at design-time, this value may be overridden at run-time based on other deployment requirements or constraints.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+          - less_or_equal: 65535
+        default: 0
+      port_range_max:
+        type: integer
+        description: Indicates maximum port number in the range that is matched by the security group rule. If a value is provided at design-time, this value may be overridden at run-time based on other deployment requirements or constraints.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+          - less_or_equal: 65535
+        default: 65535
+
+
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_nsd_types.yaml b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_nsd_types.yaml
new file mode 100644
index 0000000000..3fcfa5ec67
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_nsd_types.yaml
@@ -0,0 +1,460 @@
+tosca_definitions_version: tosca_simple_yaml_1_3
+description: ETSI NFV SOL 001 nsd types definitions version 3.3.1
+metadata:
+  template_name: etsi_nfv_sol001_nsd_types
+  template_author: ETSI_NFV
+  template_version: 3.3.1
+
+imports:
+  - etsi_nfv_sol001_common_types.yaml
+  - etsi_nfv_sol001_vnfd_types.yaml
+  - etsi_nfv_sol001_pnfd_types.yaml
+
+
+data_types:
+  tosca.datatypes.nfv.NsVlProfile:
+    derived_from: tosca.datatypes.Root
+    description: Describes additional instantiation data for a given NsVirtualLink used in a specific NS deployment flavour.
+    properties:
+      max_bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Specifies the maximum bitrate requirements for a VL instantiated according to this profile.
+        required: true
+      min_bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Specifies the minimum bitrate requirements for a VL instantiated according to this profile.
+        required: true
+      qos:
+        type: tosca.datatypes.nfv.NsVirtualLinkQos
+        description: Specifies the QoS requirements of a VL instantiated according to this profile.
+        required: false
+      service_availability_level:
+        type: integer
+        description: Specifies the service availability level for the VL instance created from this profile
+        required: false
+        constraints:
+          - greater_or_equal: 1
+
+  tosca.datatypes.nfv.NsVirtualLinkQos:
+    derived_from: tosca.datatypes.nfv.Qos
+    description: describes QoS data for a given VL used in a VNF deployment flavour
+    properties:
+      priority:
+        type: integer
+        constraints:
+          - greater_or_equal: 0
+        description: Specifies the priority level in case of congestion on the underlying physical links
+        required: false
+
+  tosca.datatypes.nfv.NsProfile:
+    derived_from: tosca.datatypes.Root
+    description: describes a profile for instantiating NSs of a particular NS DF according to a specific NSD and NS DF.
+    properties:
+      ns_instantiation_level:
+        type: string
+        description: Identifier of the instantiation level of the NS DF to be used for instantiation. If not present, the default instantiation level as declared in the NSD shall be used.
+        required: false
+      min_number_of_instances:
+        type: integer
+        description: Minimum number of instances of the NS based on this NSD that is permitted to exist for this NsProfile.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      max_number_of_instances:
+        type: integer
+        description: Maximum number of instances of the NS based on this NSD that is permitted to exist for this NsProfile.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      flavour_id:
+        type: string
+        description: Identifies the applicable network service DF within the scope of the NSD.
+        required: true
+
+  tosca.datatypes.nfv.Mask:
+    derived_from: tosca.datatypes.Root
+    properties:
+      starting_point:
+        description: Indicates the offset between the last bit of the source mac address and the first bit of the sequence of bits to be matched.
+        type: integer
+        required: true
+      length:
+        description: Indicates the number of bits to be matched.
+        type: integer
+        required: true
+      value:
+        description: Provide the sequence of bit values to be matched.
+        type: string
+        required: true
+
+  tosca.datatypes.nfv.NsOperationAdditionalParameters:
+    derived_from: tosca.datatypes.Root
+    description: Is an empty base type for deriving data types for describing NS-specific additional parameters to be passed when invoking NS lifecycle management operations
+    #properties:
+
+  tosca.datatypes.nfv.NsMonitoringParameter:
+    derived_from: tosca.datatypes.Root
+    description: Represents information on virtualised resource related performance metrics applicable to the NS.
+    properties:
+      name:
+        type: string
+        description: Human readable name of the monitoring parameter
+        required: true
+      performance_metric:
+        type: string
+        description: Identifies a performance metric to be monitored, according to ETSI GS NFV-IFA 027.
+        required: true
+        constraints:
+          - valid_values: [ byte_incoming_sap, byte_outgoing_sap, packet_incoming_sap, packet_outgoing_sap, byte_incoming, byte_outgoing, packet_incoming, packet_outgoing ]
+      collection_period:
+        type: scalar-unit.time
+        description: Describes the periodicity at which to collect the performance information.
+        required: false
+
+capability_types:
+  tosca.capabilities.nfv.Forwarding:
+    derived_from: tosca.capabilities.Root
+
+relationship_types:
+  tosca.relationships.nfv.ForwardTo:
+    derived_from: tosca.relationships.Root
+    valid_target_types: [ tosca.capabilities.nfv.Forwarding ]
+
+interface_types:
+  tosca.interfaces.nfv.Nslcm:
+    derived_from: tosca.interfaces.Root
+    description: This interface encompasses a set of TOSCA operations corresponding to NS LCM operations defined in ETSI GS NFV-IFA 013. as well as to preamble and postamble procedures to the execution of the NS LCM operations.
+    operations:
+      instantiate_start:
+        description: Preamble to execution of the instantiate operation
+      instantiate:
+        description: Base procedure for instantiating an NS, corresponding to the Instantiate NS operation defined in ETSI GS NFV-IFA 013.
+          # inputs:
+          # additional_parameters:
+        #   type: tosca.datatypes.nfv.NsOperationAdditionalParameters
+        #   required: false
+      instantiate_end:
+        description: Postamble to the execution of the instantiate operation
+      terminate_start:
+        description: Preamble to execution of the terminate operation
+      terminate:
+        description: Base procedure for terminating an NS, corresponding to the Terminate NS operation defined in ETSI GS NFV-IFA 013.
+      terminate_end:
+        description: Postamble to the execution of the terminate operation
+      update_start:
+        description: Preamble to execution of the update operation
+      update:
+        description: Base procedure for updating an NS, corresponding to the Update NS operation defined in ETSI GS NFV-IFA 013.
+      update_end:
+        description: Postamble to the execution of the update operation
+      scale_start:
+        description: Preamble to execution of the scale operation
+      scale:
+        description: Base procedure for scaling an NS, corresponding to the Scale NS operation defined in ETSI GS NFV-IFA 013.
+          # inputs:
+          # additional_parameters:
+        #   type: tosca.datatypes.nfv.NsOperationAdditionalParameters
+        #   required: false
+      scale_end:
+        description: Postamble to the execution of the scale operation
+      heal_start:
+        description: Preamble to execution of the heal operation
+      heal:
+        description: Base procedure for healing an NS, corresponding to the Heal NS operation defined in ETSI GS NFV-IFA 013.
+          # inputs:
+          # additional_parameters:
+        #   type: tosca.datatypes.nfv.NsOperationAdditionalParameters
+        #   required: false
+      heal_end:
+        description: Postamble to the execution of the heal operation
+
+node_types:
+  tosca.nodes.nfv.NS:
+    derived_from: tosca.nodes.Root
+    properties:
+      descriptor_id:
+        type: string # UUID
+        description: Identifier of this NS descriptor
+        required: true
+      designer:
+        type: string
+        description: Identifies the designer of the NSD.
+        required: true
+      version:
+        type: string
+        description: Identifies the version of the NSD.
+        required: true
+      name:
+        type: string
+        description: Provides the human readable name of the NSD.
+        required: true
+      invariant_id: # UUID
+        type: string
+        description: Identifies an NSD in a version independent manner. This attribute is invariant across versions of NSD
+        required: true
+      flavour_id:
+        type: string
+        description: Identifier of the NS Deployment Flavour within the NSD
+        required: true
+      ns_profile:
+        type: tosca.datatypes.nfv.NsProfile
+        description: Specifies a profile of a NS, when this NS is used as nested NS within another NS.
+        required: false
+      service_availability_level:
+        type: integer
+        description: Specifies the service availability level for the NS instance.
+        required: false
+        constraints:
+          - greater_or_equal: 1
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          node: tosca.nodes.nfv.NsVirtualLink
+          occurrences: [ 0, 1 ]
+    interfaces:
+      Nslcm:
+        type: tosca.interfaces.nfv.Nslcm
+
+  tosca.nodes.nfv.Sap:
+    derived_from: tosca.nodes.nfv.Cp
+    description: node definition of SAP.
+    requirements:
+      - external_virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 0, 1 ]
+      - internal_virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 1, 1 ]
+
+  tosca.nodes.nfv.NsVirtualLink:
+    derived_from: tosca.nodes.Root
+    description: node definition of Virtual Links
+    properties:
+      vl_profile:
+        type: tosca.datatypes.nfv.NsVlProfile # only covers min/max bitrate requirements
+        description: Specifies instantiation parameters for a virtual link of a particular NS deployment flavour.
+        required: true
+      connectivity_type:
+        type: tosca.datatypes.nfv.ConnectivityType
+        required: true
+      test_access:
+        type: list
+        description: Test access facilities available on the VL
+        required: false
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ passive_monitoring, active_loopback ]
+      description:
+        type: string
+        required: false
+        description: Human readable information on the purpose of the virtual link (e.g. VL for control plane traffic).
+    capabilities:
+      virtual_linkable:
+        type: tosca.capabilities.nfv.VirtualLinkable
+
+  tosca.nodes.nfv.NfpPositionElement:
+    derived_from: tosca.nodes.Root
+    description: node definition of NfpPositionElement
+    capabilities:
+      forwarding:
+        type: tosca.capabilities.nfv.Forwarding
+    requirements:
+      - profile_element:
+          capability: tosca.capabilities.nfv.Forwarding
+          relationship: tosca.relationships.nfv.ForwardTo
+          occurrences: [ 1, 2 ] # When the number of occurrences is 1, the ingress and egress traffic is associated to a single VnfExtCp or Sap; When the number of occurrences is 2, the ingress VnfExtCp or Sap is associated to the first value and the egress VnfExtCp or Sap is associated to the second value.
+
+  tosca.nodes.nfv.NfpPosition:
+    derived_from: tosca.nodes.Root
+    description: node definition of NFP position
+    properties:
+      forwarding_behaviour:
+        type: string
+        description: Identifies a rule to apply to forward traffic to CP or SAP instances corresponding to the referenced NfpPositionElement(s).
+        constraints:
+          - valid_values: [ all, lb, ff ]
+        required: false
+    #     forwarding_behaviour_input_parameters:
+    #       description: Provides input parameters to configure the forwarding behaviour.
+    #       type: map
+    #       required: false
+    #       entry_schema:
+    #         type: strin
+
+    capabilities:
+      forwarding:
+        type: tosca.capabilities.nfv.Forwarding
+    requirements:
+      - element:
+          capability: tosca.capabilities.nfv.Forwarding
+          node: tosca.nodes.nfv.NfpPositionElement
+          relationship: tosca.relationships.nfv.ForwardTo
+          occurrences: [ 1, UNBOUNDED ]
+
+  tosca.nodes.nfv.NFP:
+    derived_from: tosca.nodes.Root
+    description: node definition of NFP
+    requirements:
+      - nfp_position:
+          capability: tosca.capabilities.nfv.Forwarding
+          node: tosca.nodes.nfv.NfpPosition
+          relationship: tosca.relationships.nfv.ForwardTo
+          occurrences: [ 1, UNBOUNDED ]
+
+  tosca.nodes.nfv.Forwarding:
+    derived_from: tosca.nodes.Root
+    capabilities:
+      virtual_linkable:
+        type: tosca.capabilities.nfv.VirtualLinkable
+      forwarding:
+        type: tosca.capabilities.nfv.Forwarding
+        occurrences: [ 1, 2 ]  #When the number of occurrences is 1, the ingress and egress traffic is associated to a single VnfExtCp, PnfExtCp or Sap; When the number of occurrences is 2, the ingress VnfExtCp, PnfExtCp or Sap is associated to the first value and the egress VnfExtCp, PnfExtCp or Sap is associated to the second value.
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+
+group_types:
+  tosca.groups.nfv.NsPlacementGroup:
+    derived_from: tosca.groups.Root
+    description: NsPlacementGroup is used for describing the affinity or anti-affinity relationship applicable between VNF instances created using different VNFDs, the Virtual Link instances created using different VLDs or the nested NS instances created using different NSDs when used in a NSD.
+    properties:
+      description:
+        type: string
+        description: Human readable description of the group
+        required: true
+    members: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS ]
+
+  tosca.groups.nfv.VNFFG:
+    derived_from: tosca.groups.Root
+    description: the VNFFG group type describes a topology of the NS or a portion of the NS, and optionally forwarding rules, applicable to the traffic conveyed over this topology
+    properties:
+      description:
+        type: string
+        description: Human readable description of the group
+        required: true
+    members: [ tosca.nodes.nfv.NFP, tosca.nodes.nfv.VNF, tosca.nodes.nfv.PNF, tosca.nodes.nfv.NS, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NfpPositionElement ]
+
+
+policy_types:
+  tosca.policies.nfv.NsAffinityRule:
+    derived_from: tosca.policies.Placement
+    description: The NsAffinityRule describes the affinity rules applicable for the defined targets
+    properties:
+      scope:
+        type: string
+        description: Specifies the scope of the local affinity rule.
+        required: true
+        constraints:
+          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop, network_link_and_node ]
+    targets: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS, tosca.groups.nfv.NsPlacementGroup ]
+
+  tosca.policies.nfv.NsAntiAffinityRule:
+    derived_from: tosca.policies.Placement
+    description: The NsAntiAffinityRule describes the anti-affinity rules applicable for the defined targets
+    properties:
+      scope:
+        type: string
+        description: Specifies the scope of the local affinity rule..
+        required: true
+        constraints:
+          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop, network_link_and_node ]
+    targets: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS, tosca.groups.nfv.NsPlacementGroup ]
+
+  tosca.policies.nfv.NsSecurityGroupRule:
+    derived_from: tosca.policies.nfv.Abstract.SecurityGroupRule
+    description: The NsSecurityGroupRule type is a policy type specified the matching criteria for the ingress and/or egress traffic to/from visited SAPs.
+    targets: [ tosca.nodes.nfv.Sap ]
+
+  tosca.policies.nfv.NfpRule:
+    derived_from: tosca.policies.Root
+    description: policy definition of NfpRule
+    properties:
+      ether_destination_address:
+        description: Indicates a destination Mac address.
+        type: string
+        required: false
+      ether_source_address:
+        description: Indicates a source Mac address.
+        type: string
+        required: false
+      ether_type:
+        description: Indicates the protocol carried over the Ethernet layer.
+        type: string
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+        required: false
+      vlan_tag:
+        description: Indicates a VLAN identifier in an IEEE 802.1Q-2014 tag [14]. Multiple tags can be included for QinQ stacking.
+        type: list
+        entry_schema:
+          type: string
+        required: false
+      protocol:
+        description: 'Indicates the L4 protocol, For IPv4 [15] this corresponds to the field called "Protocol" to identify the next level protocol. For IPv6 [16] this corresponds to the field is called the "Next Header" field. Permitted values: Any keyword defined in the IANA [17] protocol registry.'
+        type: string
+        required: false
+      dscp:
+        description: For IPv4 [15] a string of "0" and "1" digits that corresponds to the 6-bit Differentiated Services Code Point (DSCP) field of the IP header. For IPv6 [16] a string of "0" and "1" digits that corresponds to the 6 differentiated services bits of the traffic class header field.
+        type: string
+        required: false
+      source_port_range:
+        description: Indicates a range of source ports.
+        type: range
+        required: false
+        constraints:
+          - in_range: [ 0, 65535 ]
+      destination_port_range:
+        description: Indicates a range of destination ports.
+        type: range
+        required: false
+        constraints:
+          - in_range: [ 0, 65535 ]
+      source_ip_address_prefix:
+        description: Indicates the source IP address range in CIDR format.
+        type: string
+        required: false
+      destination_ip_address_prefix:
+        description: Indicates the destination IP address range in CIDR format.
+        type: string
+        required: false
+      extended_criteria:
+        description: Indicates values of specific bits in a frame.
+        type: list
+        entry_schema:
+          type: tosca.datatypes.nfv.Mask
+        required: false
+    targets: [ tosca.nodes.nfv.NFP ]
+
+  tosca.policies.nfv.NsMonitoring:
+    derived_from: tosca.policies.Root
+    description: Policy type is used to identify information to be monitored during the lifetime of a network service instance as defined in ETSI GS NFV-IFA 014 [2].
+    properties:
+      ns_monitoring_parameters:
+        type: list
+        description: Specifies a virtualised resource related performance metric to be monitored on the NS level.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.NsMonitoringParameter
+        constraints:
+          - min_length: 1
+    targets: [ tosca.nodes.nfv.NS ]
+
+  tosca.policies.nfv.VnfMonitoring:
+    derived_from: tosca.policies.Root
+    description: Policy type is used to identify information to be monitored during the lifetime of a VNF instance as defined in ETSI GS NFV-IFA 014 [2].
+    properties:
+      vnf_monitoring_parameters:
+        type: list
+        description: Specifies a virtualised resource related performance metric to be monitored on the NS level.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VnfMonitoringParameter
+        constraints:
+          - min_length: 1
+    targets: [ tosca.nodes.nfv.VNF ]
+
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_pnfd_types.yaml b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_pnfd_types.yaml
new file mode 100644
index 0000000000..bd6e8913c8
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_pnfd_types.yaml
@@ -0,0 +1,131 @@
+tosca_definitions_version: tosca_simple_yaml_1_3
+description: ETSI NFV SOL 001 pnfd types definitions version 3.3.1
+metadata:
+  template_name: etsi_nfv_sol001_pnfd_types
+  template_author: ETSI_NFV
+  template_version: 3.3.1
+
+imports:
+  - etsi_nfv_sol001_common_types.yaml
+
+data_types:
+  tosca.datatypes.nfv.LocationInfo:
+    derived_from: tosca.datatypes.Root
+    description: Represents geographical information on the location where a PNF is deployed.
+    properties:
+      country_code:
+        type: string # two-letter ISO 3166 country code
+        description: Country code
+        required: true
+      civic_address_element:
+        type: list
+        entry_schema:
+          type: tosca.datatypes.nfv.CivicAddressElement
+        description: Elements composing the civic address where the PNF is deployed.
+        required: false
+      geographic_coordinates:
+        type: tosca.datatypes.nfv.GeographicCoordinates
+        description: Geographic coordinates (e.g. Altitude, Longitude, Latitude) where the PNF is deployed.
+        required: false
+
+  tosca.datatypes.nfv.CivicAddressElement:
+    derived_from: tosca.datatypes.Root
+    description: Represents an element of a civic location as specified in IETF  RFC 4776 [11].
+    properties:
+      ca_type:
+        type: string # RFC4776
+        description: caType as per RFC4776
+        required: true
+      ca_value:
+        type: string # RFC4776
+        description: caValue as per RFC4776.
+        required: true
+
+  tosca.datatypes.nfv.GeographicCoordinates:
+    derived_from: tosca.datatypes.Root
+    description: Represents an element of a geographic coordinate location as specified in IETF RFC?6225.
+    properties:
+      latitude_uncertainty:
+        type: string # RFC 6225
+        description: LatUnc as per RFC 6225
+        required: false
+      latitude:
+        type: string # RFC 6225
+        description: Latitude value as per RFC 6225
+        required: true
+      longitude_uncertainty:
+        type: string # RFC 6225
+        description: LongUnc as per RFC 6225
+        required: false
+      longitude:
+        type: string # RFC 6225
+        description: Longitude value as per RFC 6225
+        required: true
+      altitude_type:
+        type: string # RFC 6225
+        description: AType value as per RFC 6225
+        required: true
+      altitude_uncertainty:
+        type: string # RFC 6225
+        description: AltUnc as per RFC 6225
+        required: false
+      altitude:
+        type: string # RFC 6225
+        description: Altitude value as per RFC 6225
+        required: true
+
+
+
+node_types:
+  tosca.nodes.nfv.PNF:
+    derived_from: tosca.nodes.Root
+    properties:
+      descriptor_id: # instead of pnfd_id
+        type: string # UUID
+        required: true
+        description: Identifier of this PNFD information element. It uniquely identifies the PNFD.
+      function_description:
+        type: string
+        required: true
+        description: Describes the PNF function.
+      provider:
+        type: string
+        required: true
+        description: Identifies the provider of the PNFD.
+      version:
+        type: string
+        required: true
+        description: Identifies the version of the PNFD.
+      descriptor_invariant_id: # instead of pnfd-invariant-id
+        type: string # UUID
+        required: true
+        description: Identifier of this PNFD in a version independent manner. This attribute is invariant across versions of PNFD.
+      name:
+        type: string
+        required: true
+        description: Name to identify the PNFD.
+      geographical_location_info:
+        type: tosca.datatypes.nfv.LocationInfo
+        required: false
+        description: Provides information about the geographical location (e.g. geographic coordinates or address of the building, etc.) of the PNF
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 0, 1 ]
+  # Additional requirements shall be defined in the PNF specific node type (deriving from tosca.nodes.nfv.PNF) corresponding to NS virtual links that need to connect to PnfExtCps
+
+  tosca.nodes.nfv.PnfExtCp:
+    derived_from: tosca.nodes.nfv.Cp
+    description: node definition of PnfExtCp.
+    requirements:
+      - external_virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 0, 1 ]
+
+policy_types:
+  tosca.policies.nfv.PnfSecurityGroupRule:
+    derived_from: tosca.policies.nfv.Abstract.SecurityGroupRule
+    description: The PnfSecurityGroupRule type is a policy type specified the matching criteria for the ingress and/or egress traffic to/from visited PNF external connection points.
+    targets: [ tosca.nodes.nfv.PnfExtCp ]
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_vnfd_types.yaml b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_vnfd_types.yaml
new file mode 100644
index 0000000000..57aad9167c
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/resources/etsi-nfv-types/3.3.1/etsi_nfv_sol001_vnfd_types.yaml
@@ -0,0 +1,1833 @@
+tosca_definitions_version: tosca_simple_yaml_1_3
+description: ETSI NFV SOL 001 vnfd types definitions version 3.3.1
+metadata:
+  template_name: etsi_nfv_sol001_vnfd_types
+  template_author: ETSI_NFV
+  template_version: 3.3.1
+
+imports:
+  - etsi_nfv_sol001_common_types.yaml
+
+data_types:
+  tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements:
+    derived_from: tosca.datatypes.Root
+    description: Describes requirements on a virtual network interface
+    properties:
+      name:
+        type: string
+        description: Provides a human readable name for the requirement.
+        required: false
+      description:
+        type: string
+        description: Provides a human readable description of the requirement.
+        required: false
+      support_mandatory:
+        type: boolean
+        description: Indicates whether fulfilling the constraint is mandatory (TRUE) for successful operation or desirable (FALSE).
+        required: true
+      network_interface_requirements:
+        type: map
+        description: The network interface requirements. A map of strings that contain a set of key-value pairs that describes the hardware platform specific  network interface deployment requirements.
+        required: true
+        entry_schema:
+          type: string
+      nic_io_requirements:
+        type: tosca.datatypes.nfv.LogicalNodeData
+        description: references (couples) the CP with any logical node I/O requirements (for network devices) that may have been created. Linking these attributes is necessary so that so that I/O requirements that need to be articulated at the logical node level can be associated with the network interface requirements associated with the CP.
+        required: false
+
+  tosca.datatypes.nfv.RequestedAdditionalCapability:
+    derived_from: tosca.datatypes.Root
+    description: describes requested additional capability for a particular VDU
+    properties:
+      requested_additional_capability_name:
+        type: string
+        description: Identifies a requested additional capability for the VDU.
+        required: true
+      support_mandatory:
+        type: boolean
+        description: Indicates whether the requested additional capability is mandatory for successful operation.
+        required: true
+      min_requested_additional_capability_version:
+        type: string
+        description: Identifies the minimum version of the requested additional capability.
+        required: false
+      preferred_requested_additional_capability_version:
+        type: string
+        description: Identifies the preferred version of the requested additional capability.
+        required: false
+      target_performance_parameters:
+        type: map
+        description: Identifies specific attributes, dependent on the requested additional capability type.
+        required: true
+        entry_schema:
+          type: string
+
+
+  tosca.datatypes.nfv.VirtualMemory:
+    derived_from: tosca.datatypes.Root
+    description: supports the specification of requirements related to virtual memory of a virtual compute resource
+    properties:
+      virtual_mem_size:
+        type: scalar-unit.size
+        description: Amount of virtual memory.
+        required: true
+      virtual_mem_oversubscription_policy:
+        type: string
+        description: The memory core oversubscription policy in terms of virtual memory to physical memory on the platform.
+        required: false
+      vdu_mem_requirements:
+        type: map
+        description: The hardware platform specific VDU memory requirements. A map of strings that contains a set of key-value pairs that describes hardware platform specific VDU memory requirements.
+        required: false
+        entry_schema:
+          type: string
+      numa_enabled:
+        type: boolean
+        description: It specifies the memory allocation to be cognisant of the relevant process/core allocation.
+        required: true
+        default: false
+
+  tosca.datatypes.nfv.VirtualCpu:
+    derived_from: tosca.datatypes.Root
+    description: Supports the specification of requirements related to virtual CPU(s) of a virtual compute resource
+    properties:
+      cpu_architecture:
+        type: string
+        description: CPU architecture type. Examples are x86, ARM
+        required: false
+      num_virtual_cpu:
+        type: integer
+        description: Number of virtual CPUs
+        required: true
+        constraints:
+          - greater_than: 0
+      virtual_cpu_clock:
+        type: scalar-unit.frequency
+        description: Minimum virtual CPU clock rate
+        required: false
+      virtual_cpu_oversubscription_policy:
+        type: string
+        description: CPU core oversubscription policy e.g. the relation of virtual CPU cores to physical CPU cores/threads.
+        required: false
+      vdu_cpu_requirements:
+        type: map
+        description: The hardware platform specific VDU CPU requirements. A map of strings that contains a set of key-value pairs describing VDU CPU specific hardware platform requirements.
+        required: false
+        entry_schema:
+          type: string
+      virtual_cpu_pinning:
+        type: tosca.datatypes.nfv.VirtualCpuPinning
+        description: The virtual CPU pinning configuration for the virtualised compute resource.
+        required: false
+
+  tosca.datatypes.nfv.VirtualCpuPinning:
+    derived_from: tosca.datatypes.Root
+    description: Supports the specification of requirements related to the virtual CPU pinning configuration of a virtual compute resource
+    properties:
+      virtual_cpu_pinning_policy:
+        type: string
+        description: Indicates the policy for CPU pinning. The policy can take values of "static" or "dynamic". In case of "dynamic" the allocation of virtual CPU cores to logical CPU cores is decided by the VIM. (e.g. SMT (Simultaneous Multi-Threading) requirements). In case of "static" the allocation is requested to be according to the virtual_cpu_pinning_rule.
+        required: false
+        constraints:
+          - valid_values: [ static, dynamic ]
+      virtual_cpu_pinning_rule:
+        type: list
+        description: Provides the list of rules for allocating virtual CPU cores to logical  CPU cores/threads
+        required: false
+        entry_schema:
+          type: string
+
+
+  tosca.datatypes.nfv.VnfcConfigurableProperties:
+    derived_from: tosca.datatypes.Root
+    description: Defines the configurable properties of a VNFC
+      #properties:
+      # additional_vnfc_configurable_properties:
+      #   type: tosca.datatypes.nfv.VnfcAdditionalConfigurableProperties
+      #   description: Describes additional configuration for VNFC that can be modified using the ModifyVnfInfo operation
+      #   required: false
+      # derived types are expected to introduce
+    # additional_vnfc_configurable_properties with its type derived from
+    # tosca.datatypes.nfv.VnfcAdditionalConfigurableProperties
+
+  tosca.datatypes.nfv.VnfcAdditionalConfigurableProperties:
+    derived_from: tosca.datatypes.Root
+    description: VnfcAdditionalConfigurableProperties type is an empty base type for deriving data types for describing additional configurable properties for a given VNFC.
+
+  tosca.datatypes.nfv.VduProfile:
+    derived_from: tosca.datatypes.Root
+    description: describes additional instantiation data for a given Vdu.Compute used in a specific deployment flavour.
+    properties:
+      min_number_of_instances:
+        type: integer
+        description: Minimum number of instances of the VNFC based on this Vdu.Compute that is permitted to exist for a particular VNF deployment flavour.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      max_number_of_instances:
+        type: integer
+        description: Maximum number of instances of the VNFC based on this Vdu.Compute that is permitted to exist for a particular VNF deployment flavour.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.VlProfile:
+    derived_from: tosca.datatypes.Root
+    description: Describes additional instantiation data for a given VL used in a specific VNF deployment flavour.
+    properties:
+      max_bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Specifies the maximum bitrate requirements for a VL instantiated according to this profile.
+        required: true
+      min_bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Specifies the minimum bitrate requirements for a VL instantiated according to this profile.
+        required: true
+      qos:
+        type: tosca.datatypes.nfv.Qos
+        description: Specifies the QoS requirements of a VL instantiated according to this profile.
+        required: false
+      virtual_link_protocol_data:
+        type: list
+        description: Specifies the protocol data for a virtual link.
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualLinkProtocolData
+
+  tosca.datatypes.nfv.VirtualLinkProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes one protocol layer and associated protocol data for a given virtual link used in a specific VNF deployment flavour
+    properties:
+      associated_layer_protocol:
+        type: string
+        description: Identifies one of the protocols a virtualLink gives access to (ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire) as specified by the connectivity_type property.
+        required: true
+        constraints:
+          - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
+      l2_protocol_data:
+        type: tosca.datatypes.nfv.L2ProtocolData
+        description: Specifies the L2 protocol data for a virtual link. Shall be present when the associatedLayerProtocol attribute indicates a L2 protocol and shall be absent otherwise.
+        required: false
+      l3_protocol_data:
+        type: tosca.datatypes.nfv.L3ProtocolData
+        description: Specifies the L3 protocol data for this virtual link.  Shall be present when the associatedLayerProtocol attribute indicates a L3 protocol and shall be absent otherwise.
+        required: false
+
+  tosca.datatypes.nfv.L2ProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes L2 protocol data for a given virtual link used in a specific VNF deployment flavour.
+    properties:
+      name:
+        type: string
+        description: Identifies the network name associated with this L2 protocol.
+        required: false
+      network_type:
+        type: string
+        description: Specifies the network type for this L2 protocol. The value may be overridden at run-time.
+        required: false
+        constraints:
+          - valid_values: [ flat, vlan, vxlan, gre ]
+      vlan_transparent:
+        type: boolean
+        description: Specifies whether to support VLAN transparency for this L2 protocol or not.
+        required: true
+        default: false
+      mtu:
+        type: integer
+        description: Specifies the maximum transmission unit (MTU) value for this L2 protocol.
+        required: false
+        constraints:
+          - greater_than: 0
+      segmentation_id:
+        type: string
+        description: Specifies a specific virtualised network segment, which depends on the network type. For e.g., VLAN ID for VLAN network type and tunnel ID for GRE/VXLAN network types
+        required: false
+
+
+  tosca.datatypes.nfv.L3ProtocolData:
+    derived_from: tosca.datatypes.Root
+    description: describes L3 protocol data for a given virtual link used in a specific VNF deployment flavour.
+    properties:
+      name:
+        type: string
+        description: Identifies the network name associated with this L3 protocol.
+        required: false
+      ip_version:
+        type: string
+        description: Specifies IP version of this L3 protocol. The value of the ip_version property shall be consistent with the value of the layer_protocol in the connectivity_type property of the virtual link node.
+        required: true
+        constraints:
+          - valid_values: [ ipv4, ipv6 ]
+      cidr:
+        type: string
+        description: Specifies the CIDR (Classless Inter-Domain Routing) of this L3 protocol. The value may be overridden at run-time.
+        required: true
+      ip_allocation_pools:
+        type: list
+        description: Specifies the allocation pools with start and end IP addresses for this L3 protocol. The value may be overridden at run-time.
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.IpAllocationPool
+      gateway_ip:
+        type: string
+        description: Specifies the gateway IP address for this L3 protocol. The value may be overridden at run-time.
+        required: false
+      dhcp_enabled:
+        type: boolean
+        description: Indicates whether DHCP (Dynamic Host Configuration Protocol) is enabled or disabled for this L3 protocol. The value may be overridden at run-time.
+        required: false
+      ipv6_address_mode:
+        type: string
+        description: Specifies IPv6 address mode. May be present when the value of the ipVersion attribute is "ipv6" and shall be absent otherwise. The value may be overridden at run-time.
+        required: false
+        constraints:
+          - valid_values: [ slaac, dhcpv6-stateful, dhcpv6-stateless ]
+
+  tosca.datatypes.nfv.IpAllocationPool:
+    derived_from: tosca.datatypes.Root
+    description: Specifies a range of IP addresses
+    properties:
+      start_ip_address:
+        type: string
+        description: The IP address to be used as the first one in a pool of addresses derived from the cidr block full IP range
+        required: true
+      end_ip_address:
+        type: string
+        description: The IP address to be used as the last one in a pool of addresses derived from the cidr block full IP range
+        required: true
+
+  tosca.datatypes.nfv.InstantiationLevel:
+    derived_from: tosca.datatypes.Root
+    description: Describes the scale level for each aspect that corresponds to a given level of resources to be instantiated within a deployment flavour in term of the number VNFC instances
+    properties:
+      description:
+        type: string
+        description: Human readable description of the level
+        required: true
+      scale_info:
+        type: map # key: aspectId
+        description: Represents for each aspect the scale level that corresponds to this instantiation level. scale_info shall be present if the VNF supports scaling.
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.ScaleInfo
+
+  tosca.datatypes.nfv.VduLevel:
+    derived_from: tosca.datatypes.Root
+    description: Indicates for a given Vdu.Compute in a given level the number of instances to deploy
+    properties:
+      number_of_instances:
+        type: integer
+        description: Number of instances of VNFC based on this VDU to deploy for this level.
+        required: true
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.VnfLcmOperationsConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: Represents information to configure lifecycle management operations
+    properties:
+      instantiate:
+        type: tosca.datatypes.nfv.VnfInstantiateOperationConfiguration
+        description: Configuration parameters for the InstantiateVnf operation
+        required: false
+      scale:
+        type: tosca.datatypes.nfv.VnfScaleOperationConfiguration
+        description: Configuration parameters for the ScaleVnf operation
+        required: false
+      scale_to_level:
+        type: tosca.datatypes.nfv.VnfScaleToLevelOperationConfiguration
+        description: Configuration parameters for the ScaleVnfToLevel operation
+        required: false
+      change_flavour:
+        type: tosca.datatypes.nfv.VnfChangeFlavourOperationConfiguration
+        description: Configuration parameters for the changeVnfFlavourOpConfig operation
+        required: false
+      heal:
+        type: tosca.datatypes.nfv.VnfHealOperationConfiguration
+        description: Configuration parameters for the HealVnf operation
+        required: false
+      terminate:
+        type: tosca.datatypes.nfv.VnfTerminateOperationConfiguration
+        description: Configuration parameters for the TerminateVnf operation
+        required: false
+      operate:
+        type: tosca.datatypes.nfv.VnfOperateOperationConfiguration
+        description: Configuration parameters for the OperateVnf operation
+        required: false
+      change_ext_connectivity:
+        type: tosca.datatypes.nfv.VnfChangeExtConnectivityOperationConfiguration
+        description: Configuration parameters for the changeExtVnfConnectivityOpConfig operation
+        required: false
+      change_current_package:
+        type: tosca.datatypes.nfv.VnfChangeCurrentPackageOperationConfiguration
+        description: Configuration parameters for the ChangeCurrentVnfPackage operation
+        required: false
+        # derived types are expected to introduce new properties, with their type derived from
+        # tosca.datatypes.nfv.VnfChangeCurrentPackageOperationConfiguration,
+        # with the same name as the operation designated to the ChangeCurrentVnfPackage request
+      create_snapshot:
+        type: tosca.datatypes.nfv.VnfCreateSnapshotOperationConfiguration
+        description: Configuration parameters for the CreateVnfSnapshot operation
+        required: false
+      revert_to_snapshot:
+        type: tosca.datatypes.nfv.VnfRevertToSnapshotOperationConfiguration
+        description: Configuration parameters for the RevertToVnfSnapshot operation
+        required: false
+
+  tosca.datatypes.nfv.VnfInstantiateOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the InstantiateVnf operation.
+    # This data type definition is reserved for future use in the present document.
+    # properties:
+
+  tosca.datatypes.nfv.VnfScaleOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: Represents information that affect the invocation of the ScaleVnf operation
+    properties:
+      scaling_by_more_than_one_step_supported:
+        type: boolean
+        description: Signals whether passing a value larger than one in the numScalingSteps parameter of the ScaleVnf operation is supported by this VNF.
+        required: true
+        default: false
+
+  tosca.datatypes.nfv.VnfScaleToLevelOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the ScaleVnfToLevel operation
+    properties:
+      arbitrary_target_levels_supported:
+        type: boolean
+        description: Signals whether scaling according to the parameter "scaleInfo" is supported by this VNF
+        required: true
+
+  tosca.datatypes.nfv.VnfHealOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the HealVnf operation
+    properties:
+      causes:
+        type: list
+        description: Supported "cause" parameter values
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.VnfTerminateOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the TerminateVnf
+    properties:
+      min_graceful_termination_timeout:
+        type: scalar-unit.time
+        description: Minimum timeout value for graceful termination of a VNF instance
+        required: true
+      max_recommended_graceful_termination_timeout:
+        type: scalar-unit.time
+        description: Maximum recommended timeout value that can be needed to gracefully terminate a VNF instance of a particular type under certain conditions, such as maximum load condition. This is provided by VNF provider as information for the operator facilitating the selection of optimal timeout value. This value is not used as constraint
+        required: false
+
+  tosca.datatypes.nfv.VnfOperateOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the OperateVnf operation
+    properties:
+      min_graceful_stop_timeout:
+        type: scalar-unit.time
+        description: Minimum timeout value for graceful stop of a VNF instance
+        required: true
+      max_recommended_graceful_stop_timeout:
+        type: scalar-unit.time
+        description: Maximum recommended timeout value that can be needed to gracefully stop a VNF instance of a particular type under certain conditions, such as maximum load condition. This is provided by VNF provider as information for the operator facilitating the selection of optimal timeout value. This value is not used as constraint
+        required: false
+
+  tosca.datatypes.nfv.ScaleInfo:
+    derived_from: tosca.datatypes.Root
+    description: Indicates for a given scaleAspect the corresponding scaleLevel
+    properties:
+      scale_level:
+        type: integer
+        description: The scale level for a particular aspect
+        required: true
+        constraints:
+          - greater_or_equal: 0
+
+  tosca.datatypes.nfv.ScalingAspect:
+    derived_from: tosca.datatypes.Root
+    description: describes the details of an aspect used for horizontal scaling
+    properties:
+      name:
+        type: string
+        description: Human readable name of the aspect
+        required: true
+      description:
+        type: string
+        description: Human readable description of the aspect
+        required: true
+      max_scale_level:
+        type: integer # positiveInteger
+        description: Total number of scaling steps that can be applied w.r.t. this aspect. The value of this property corresponds to the number of scaling steps can be applied to this aspect when scaling it from the minimum scale level (i.e. 0) to the maximum scale level defined by this property
+        required: true
+        constraints:
+          - greater_or_equal: 0
+      step_deltas:
+        type: list
+        description: List of scaling deltas to be applied for the different subsequent scaling steps of this aspect. The first entry in the array shall correspond to the first scaling step (between scale levels 0 to 1) and the last entry in the array shall correspond to the last scaling step (between maxScaleLevel-1 and maxScaleLevel)
+        required: false
+        entry_schema:
+          type: string # Identifier
+
+  tosca.datatypes.nfv.VnfConfigurableProperties:
+    derived_from: tosca.datatypes.Root
+    description: indicates configuration properties for a given VNF (e.g. related to auto scaling and auto healing).
+    properties:
+      is_autoscale_enabled:
+        type: boolean
+        description: It permits to enable (TRUE)/disable (FALSE) the auto-scaling functionality. If the property is not present, then configuring this VNF property is not supported
+        required: false
+      is_autoheal_enabled:
+        type: boolean
+        description: It permits to enable (TRUE)/disable (FALSE) the auto-healing functionality. If the property is not present, then configuring this VNF property is not supported
+        required: false
+      vnfm_interface_info:
+        type: tosca.datatypes.nfv.VnfmInterfaceInfo
+        description: Contains information enabling access to the NFV-MANO interfaces produced by the VNFM (e.g. URIs and credentials), If the property is not present, then configuring this VNF property is not supported.
+        required: false
+      vnfm_oauth_server_info:
+        type: tosca.datatypes.nfv.OauthServerInfo
+        description: Contains information to enable discovery of the authorization server protecting access to VNFM interfaces. If the property is not present, then configuring this VNF property is not supported.
+        required: false
+      vnf_oauth_server_info:
+        type: tosca.datatypes.nfv.OauthServerInfo
+        description: Contains information to enable discovery of the authorization server to validate the access tokens provided by the VNFM when  the VNFM accesses the VNF interfaces, if that functionality (token introspection) is supported by the authorization server. If the property is not present, then configuring this VNF property is not supported.
+        required: false
+        # additional_configurable_properties:
+        # description: It provides VNF specific configurable properties that can be
+        # modified using the ModifyVnfInfo operation
+        # required: false
+        # type: tosca.datatypes.nfv.VnfAdditionalConfigurableProperties
+      # derived types are expected to introduce
+      # additional_configurable_properties with its type derived from
+      # tosca.datatypes.nfv.VnfAdditionalConfigurableProperties
+
+  tosca.datatypes.nfv.VnfAdditionalConfigurableProperties:
+    derived_from: tosca.datatypes.Root
+    description: is an empty base type for deriving data types for describing additional configurable properties for a given VNF
+    properties:
+      is_writable_anytime:
+        type: boolean
+        description: It specifies whether these additional configurable properties are writeable (TRUE) at any time (i.e. prior to / at instantiation time as well as after instantiation).or (FALSE) only prior to / at instantiation time. If this property is not present, the additional configurable properties are writable anytime.
+        required: true
+        default: true
+
+  tosca.datatypes.nfv.VnfInfoModifiableAttributes:
+    derived_from: tosca.datatypes.Root
+    description: Describes VNF-specific extension and metadata for a given VNF
+      #properties:
+      #extensions:
+      #type: tosca.datatypes.nfv.VnfInfoModifiableAttributesExtensions
+      #description: "Extension" properties of VnfInfo that are writeable
+      #required: false
+      # derived types are expected to introduce
+      # extensions with its type derived from
+      # tosca.datatypes.nfv.VnfInfoModifiableAttributesExtensions
+      #metadata:
+      #type: tosca.datatypes.nfv.VnfInfoModifiableAttributesMetadata
+      #description: "Metadata" properties of VnfInfo that are writeable
+      #required: false
+      # derived types are expected to introduce
+    # metadata with its type derived from
+    # tosca.datatypes.nfv.VnfInfoModifiableAttributesMetadata
+
+  tosca.datatypes.nfv.VnfInfoModifiableAttributesExtensions:
+    derived_from: tosca.datatypes.Root
+    description: is an empty base type for deriving data types for describing VNF-specific extension
+
+  tosca.datatypes.nfv.VnfInfoModifiableAttributesMetadata:
+    derived_from: tosca.datatypes.Root
+    description: is an empty base type for deriving data types for describing VNF-specific metadata
+
+  tosca.datatypes.nfv.LogicalNodeData:
+    derived_from: tosca.datatypes.Root
+    description: Describes compute, memory and I/O requirements associated with a particular VDU.
+    properties:
+      logical_node_requirements:
+        type: map
+        description: The logical node-level compute, memory and I/O requirements. A map  of strings that contains a set of key-value pairs that describes hardware platform specific deployment requirements, including the number of CPU cores on this logical node, a memory configuration specific to a logical node  or a requirement related to the association of an I/O device with the logical node.
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.SwImageData:
+    derived_from: tosca.datatypes.Root
+    description: describes information  related to a software image artifact
+    properties:
+      name:
+        type: string
+        description: Name of this software image
+        required: true
+      version:
+        type: string
+        description: Version of this software image
+        required: true
+      provider:
+        type: string
+        description: Provider of this software image
+        required: false
+      checksum:
+        type: tosca.datatypes.nfv.ChecksumData
+        description: Checksum of the software image file
+        required: true
+      container_format:
+        type: string
+        description: The container format describes the container file format in which software image is provided
+        required: true
+        constraints:
+          - valid_values: [ aki, ami, ari, bare, docker, ova, ovf ]
+      disk_format:
+        type: string
+        description: The disk format of a software image is the format of the underlying disk image
+        required: true
+        constraints:
+          - valid_values: [ aki, ami, ari, iso, qcow2, raw, vdi, vhd, vhdx, vmdk ]
+      min_disk:
+        type: scalar-unit.size # Number
+        description: The minimal disk size requirement for this software image
+        required: true
+        constraints:
+          - greater_or_equal: 0 B
+      min_ram:
+        type: scalar-unit.size # Number
+        description: The minimal RAM requirement for this software image
+        required: false
+        constraints:
+          - greater_or_equal: 0 B
+      size:
+        type: scalar-unit.size # Number
+        description: The size of this software image
+        required: true
+      operating_system:
+        type: string
+        description: Identifies the operating system used in the software image
+        required: false
+      supported_virtualisation_environments:
+        type: list
+        description: Identifies the virtualisation environments (e.g. hypervisor) compatible with this software image
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.VirtualBlockStorageData:
+    derived_from: tosca.datatypes.Root
+    description: VirtualBlockStorageData describes block storage requirements associated with compute resources in a particular VDU, either as a local disk or as virtual attached storage
+    properties:
+      size_of_storage:
+        type: scalar-unit.size
+        description: Size of virtualised storage resource
+        required: true
+        constraints:
+          - greater_or_equal: 0 B
+      vdu_storage_requirements:
+        type: map
+        description: The hardware platform specific storage requirements. A map of strings that contains a set of key-value pairs that represents the hardware platform specific storage deployment requirements
+        required: false
+        entry_schema:
+          type: string
+      rdma_enabled:
+        type: boolean
+        description: Indicates if the storage support RDMA
+        required: true
+        default: false
+
+  tosca.datatypes.nfv.VirtualObjectStorageData:
+    derived_from: tosca.datatypes.Root
+    description: VirtualObjectStorageData describes object storage requirements associated with compute resources in a particular VDU
+    properties:
+      max_size_of_storage:
+        type: scalar-unit.size
+        description: Maximum size of virtualized  storage resource
+        required: false
+        constraints:
+          - greater_or_equal: 0 B
+
+  tosca.datatypes.nfv.VirtualFileStorageData:
+    derived_from: tosca.datatypes.Root
+    description: VirtualFileStorageData describes file storage requirements associated with compute resources in a particular VDU
+    properties:
+      size_of_storage:
+        type: scalar-unit.size
+        description: Size of virtualized storage resource
+        required: true
+        constraints:
+          - greater_or_equal: 0 B
+      file_system_protocol:
+        type: string
+        description: The shared file system protocol (e.g. NFS, CIFS)
+        required: true
+
+  tosca.datatypes.nfv.VirtualLinkBitrateLevel:
+    derived_from: tosca.datatypes.Root
+    description: Describes bitrate requirements applicable to the virtual link instantiated from a particicular VnfVirtualLink
+    properties:
+      bitrate_requirements:
+        type: tosca.datatypes.nfv.LinkBitrateRequirements
+        description: Virtual link bitrate requirements for an instantiation level or bitrate delta for a scaling step
+        required: true
+
+  tosca.datatypes.nfv.VnfOperationAdditionalParameters:
+    derived_from: tosca.datatypes.Root
+    description: Is an empty base type for deriving data type for describing VNF-specific parameters to be passed when invoking lifecycle management operations
+    # properties:
+
+  tosca.datatypes.nfv.VnfChangeFlavourOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the ChangeVnfFlavour operation
+    # This data type definition is reserved for future use in the present document.
+    # properties:
+
+  tosca.datatypes.nfv.VnfChangeExtConnectivityOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the ChangeExtVnfConnectivity operation
+    # This data type definition is reserved for future use in the present document.
+    # properties:
+
+  tosca.datatypes.nfv.VnfcMonitoringParameter:
+    derived_from: tosca.datatypes.Root
+    description: Represents information on virtualised resource related performance metrics applicable to the VNF.
+    properties:
+      name:
+        type: string
+        description: Human readable name of the monitoring parameter
+        required: true
+      performance_metric:
+        type: string
+        description: Identifies a performance metric to be monitored, according to ETSI GS NFV-IFA 027.
+        required: true
+        constraints:
+          - valid_values: [ v_cpu_usage_mean_vnf, v_cpu_usage_peak_vnf, v_memory_usage_mean_vnf, v_memory_usage_peak_vnf, v_disk_usage_mean_vnf, v_disk_usage_peak_vnf, byte_incoming_vnf_int_cp, byte_outgoing_vnf_int_cp, packet_incoming_vnf_int_cp, packet_outgoing_vnf_int_cp, v_cpu_usage_mean, v_cpu_usage_peak,v_memory_usage_mean,v_memory_usage_peak, v_disk_usage_mean, v_disk_usage_peak, v_net_byte_incoming, v_net_byte_outgoing, v_net_packet_incoming, v_net_packet_outgoing, usage_mean_vStorage, usage_peak_vStorage ]
+      collection_period:
+        type: scalar-unit.time
+        description: Describes the  periodicity at which to collect the performance information.
+        required: false
+        constraints:
+          - greater_than: 0 s
+
+  tosca.datatypes.nfv.VirtualLinkMonitoringParameter:
+    derived_from: tosca.datatypes.Root
+    description: Represents information on virtualised resource related performance metrics applicable to the VNF.
+    properties:
+      name:
+        type: string
+        description: Human readable name of the monitoring parameter
+        required: true
+      performance_metric:
+        type: string
+        description: Identifies a performance metric to be monitored.
+        required: true
+        constraints:
+          - valid_values: [ byte_incoming, byte_outgoing, packet_incoming, packet_outgoing ]
+      collection_period:
+        type: scalar-unit.time
+        description: Describes the periodicity at which to collect the performance information.
+        required: false
+        constraints:
+          - greater_than: 0 s
+
+  tosca.datatypes.nfv.InterfaceDetails:
+    derived_from: tosca.datatypes.Root
+    description: information used to access an interface exposed by a VNF
+    properties:
+      uri_components:
+        type: tosca.datatypes.nfv.UriComponents
+        description: Provides components to build a Uniform Ressource Identifier (URI) where to access the interface end point.
+        required: false
+      interface_specific_data:
+        type: map
+        description: Provides additional details that are specific to the type of interface considered.
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.UriComponents:
+    derived_from: tosca.datatypes.Root
+    description: information used to build a URI that complies with IETF RFC 3986 [8].
+    properties:
+      scheme:
+        type: string # shall comply with IETF RFC 3986
+        description: scheme component of a URI.
+        required: true
+      authority:
+        type: tosca.datatypes.nfv.UriAuthority
+        description: Authority component of a URI
+        required: false
+      path:
+        type: string # shall comply with IETF RFC 3986
+        description: path component of a URI.
+        required: false
+      query:
+        type: string # shall comply with IETF RFC 3986
+        description: query component of a URI.
+        required: false
+      fragment:
+        type: string # shall comply with IETF RFC 3986
+        description: fragment component of a URI.
+        required: false
+
+  tosca.datatypes.nfv.UriAuthority:
+    derived_from: tosca.datatypes.Root
+    description: information that corresponds to the authority component of a URI as specified in IETF RFC 3986 [8]
+    properties:
+      user_info:
+        type: string # shall comply with IETF RFC 3986
+        description: user_info field of the authority component of a URI
+        required: false
+      host:
+        type: string # shall comply with IETF RFC 3986
+        description: host field of the authority component of a URI
+        required: false
+      port:
+        type: string # shall comply with IETF RFC 3986
+        description: port field of the authority component of a URI
+        required: false
+
+  tosca.datatypes.nfv.ChecksumData:
+    derived_from: tosca.datatypes.Root
+    description: Describes information about the result of performing a checksum operation over some arbitrary data
+    properties:
+      algorithm:
+        type: string
+        description: Describes the algorithm used to obtain the checksum value
+        required: true
+        constraints:
+          - valid_values: [ sha-224, sha-256, sha-384, sha-512 ]
+      hash:
+        type: string
+        description: Contains the result of applying the algorithm indicated by the algorithm property to the data to which this ChecksumData refers
+        required: true
+
+  tosca.datatypes.nfv.VnfmInterfaceInfo:
+    derived_from: tosca.datatypes.Root
+    description: describes information enabling the VNF instance to access the NFV-MANO interfaces produced by the VNFM
+    properties:
+      interface_name:
+        type: string
+        description: Identifies an interface produced by the VNFM.
+        required: true
+        constraints:
+          - valid_values: [ vnf_lcm, vnf_pm, vnf_fm ]
+      details:
+        type: tosca.datatypes.nfv.InterfaceDetails
+        description: Provide additional data to access the interface endpoint
+        required: false
+      credentials:
+        type: map
+        description: Provides credential enabling access to the interface
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.OauthServerInfo:
+    derived_from: tosca.datatypes.Root
+    description: information to enable discovery of the authorization server
+    #properties: FFS
+    #This data type definition is reserved for future use in the present document
+
+  tosca.datatypes.nfv.BootData:
+    derived_from: tosca.datatypes.Root
+    description: describes the information used to customize a virtualised compute resource at boot time.
+    properties:
+      vim_specific_properties:
+        type: tosca.datatypes.nfv.BootDataVimSpecificProperties
+        description: Properties used for selecting VIM specific capabilities when setting the boot data.
+        required: false
+      kvp_data:
+        type: tosca.datatypes.nfv.KvpData
+        description: A set of key-value pairs for configuring a virtual compute resource.
+        required: false
+      content_or_file_data:
+        type: tosca.datatypes.nfv.ContentOrFileData
+        description: A string content or a file for configuring a virtual compute resource.
+        required: false
+
+  tosca.datatypes.nfv.KvpData:
+    derived_from: tosca.datatypes.Root
+    description: describes a set of key-value pairs information used to customize a virtualised compute resource at boot time by using only key-value pairs data.
+    properties:
+      data:
+        type: map
+        description: A map of strings that contains a set of key-value pairs that describes the information for configuring the virtualised compute resource.
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.datatypes.nfv.ContentOrFileData:
+    derived_from: tosca.datatypes.Root
+    description: describes a string content or a file information used to customize a virtualised compute resource at boot time by using string content or file.
+    properties:
+      data:
+        type: map
+        description: A map of strings that contains a set of key-value pairs that carries the dynamic deployment values which used to replace the corresponding variable parts in the file as identify by a URL as described in source_path. Shall be present if "source_path" is present and shall be absent otherwise..
+        required: false
+        entry_schema:
+          type: string
+      content:
+        type: string
+        description: The string information used to customize a virtualised compute resource at boot time.
+        required: false
+      source_path:
+        type: string
+        description: The URL to a file contained in the VNF package used to customize a virtualised compute resource. The content shall comply with IETF RFC 3986 [8].
+        required: false
+      destination_path:
+        type: string
+        description: The URL address when inject a file into the virtualised compute resource. The content shall comply with IETF RFC 3986 [8].
+        required: false
+
+  tosca.datatypes.nfv.BootDataVimSpecificProperties:
+    derived_from: tosca.datatypes.Root
+    description: describes the VIM specific information used for selecting VIM specific capabilities when setting the boot data.
+    properties:
+      vim_type:
+        type: string
+        description: Discriminator for the different types of the VIM information.
+        required: true
+      properties:
+        type: map
+        description: Properties used for selecting VIM specific capabilities when setting the boot data
+        entry_schema:
+          type: string
+        required: true
+
+  tosca.datatypes.nfv.VnfPackageChangeSelector:
+    derived_from: tosca.datatypes.Root
+    description: data type describes the source and destination VNFDs as well as source deployment flavour for a change current VNF Package.
+    properties:
+      source_descriptor_id:
+        type: string
+        description: Identifier of the source VNFD and the source VNF package.
+        required: true
+      destination_descriptor_id:
+        type: string
+        description: Identifier of the destination VNFD and the destination VNF package.
+        required: true
+      source_flavour_id:
+        type: string
+        description: Identifier of the deployment flavour in the source VNF package for which this data type applies.
+        required: true
+
+  tosca.datatypes.nfv.VnfPackageChangeComponentMapping:
+    derived_from: tosca.datatypes.Root
+    description: A mapping between the identifier of a components or property in the source VNFD and the identifier of the corresponding component or property in the destination VNFD.
+    properties:
+      component_type:
+        type: string
+        description: The type of component or property. Possible values differentiate whether changes concern to some VNF component (e.g. VDU, internal VLD, etc.) or property (e.g. a Scaling Aspect, etc.).
+        constraints:
+          - valid_values: [ vdu, cp, virtual_link, virtual_storage, deployment_flavour, instantiation_level, scaling_aspect ]
+        required: true
+      source_id:
+        type: string
+        description: Identifier of the component or property in the source VNFD.
+        required: true
+      destination_id:
+        type: string
+        description: Identifier of the component or property in the destination VNFD.
+        required: true
+      description:
+        type: string
+        description: Human readable description of the component changes.
+        required: false
+
+  tosca.datatypes.nfv.VnfChangeCurrentPackageOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the change current VNF Package operation.
+      # This data type definition is reserved for future use in the present document.
+    # properties:
+    # derived types are expected to introduce new properties, with their type derived from tosca.datatypes.nfv.VnfChangeCurrentPackageOperationConfiguration, with the same name as the operation designated to the ChangeCurrentVnfPackage request
+
+  tosca.datatypes.nfv.VnfCreateSnapshotOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the CreateVnfSnapshot operation
+  # This data type definition is reserved for future use in the present document.
+  # properties:
+
+  tosca.datatypes.nfv.VnfRevertToSnapshotOperationConfiguration:
+    derived_from: tosca.datatypes.Root
+    description: represents information that affect the invocation of the RevertToVnfSnapshot operation
+  # This data type definition is reserved for future use in the present document.
+  # properties:
+
+artifact_types:
+  tosca.artifacts.nfv.SwImage:
+    derived_from: tosca.artifacts.Deployment.Image
+    description: describes the software image which is directly loaded on the virtualisation container realizing of the VDU or is to be loaded on a virtual storage resource
+    properties:
+      name:
+        type: string
+        description: Name of this software image
+        required: true
+      version:
+        type: string
+        description: Version of this software image
+        required: true
+      provider:
+        type: string
+        description: Provider of this software image
+        required: false
+      checksum:
+        type: tosca.datatypes.nfv.ChecksumData
+        description: Checksum of the software image file
+        required: true
+      container_format:
+        type: string
+        description: The container format describes the container file format in which software image is provided
+        required: true
+        constraints:
+          - valid_values: [ aki, ami, ari, bare, docker, ova, ovf ]
+      disk_format:
+        type: string
+        description: The disk format of a software image is the format of the underlying disk image
+        required: true
+        constraints:
+          - valid_values: [ aki, ami, ari, iso, qcow2, raw, vdi, vhd, vhdx, vmdk ]
+      min_disk:
+        type: scalar-unit.size # Number
+        description: The minimal disk size requirement for this software image
+        required: true
+        constraints:
+          - greater_or_equal: 0 B
+      min_ram:
+        type: scalar-unit.size # Number
+        description: The minimal RAM requirement for this software image
+        required: false
+        constraints:
+          - greater_or_equal: 0 B
+      size:
+        type: scalar-unit.size # Number
+        description: The size of this software image
+        required: true
+      operating_system:
+        type: string
+        description: Identifies the operating system used in the software image
+        required: false
+      supported_virtualisation_environments:
+        type: list
+        description: Identifies the virtualisation environments (e.g. hypervisor) compatible with this software image
+        required: false
+        entry_schema:
+          type: string
+
+  tosca.artifacts.Implementation.nfv.Mistral:
+    derived_from: tosca.artifacts.Implementation
+    description: artifacts for Mistral workflows
+    mime_type: application/x-yaml
+    file_ext: [ yaml ]
+
+
+capability_types:
+
+  tosca.capabilities.nfv.VirtualBindable:
+    derived_from: tosca.capabilities.Node
+    description: Indicates that the node that includes it can be pointed by a tosca.relationships.nfv.VirtualBindsTo relationship type which is used to model the VduHasCpd association
+
+  tosca.capabilities.nfv.VirtualCompute:
+    derived_from: tosca.capabilities.Node
+    description: Describes the capabilities related to virtual compute resources
+    properties:
+      logical_node:
+        type: map
+        description: Describes the Logical Node requirements
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.LogicalNodeData
+      requested_additional_capabilities:
+        type: map
+        description: Describes additional capability for a particular VDU
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.RequestedAdditionalCapability
+      compute_requirements:
+        type: map
+        required: false
+        entry_schema:
+          type: string
+      virtual_memory:
+        type: tosca.datatypes.nfv.VirtualMemory
+        description: Describes virtual memory of the virtualized compute
+        required: true
+      virtual_cpu:
+        type: tosca.datatypes.nfv.VirtualCpu
+        description: Describes virtual CPU(s) of the virtualized compute
+        required: true
+      virtual_local_storage:
+        type: list
+        description: A list of virtual system disks created and destroyed as part of the VM lifecycle
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualBlockStorageData
+          description: virtual system disk definition
+
+  tosca.capabilities.nfv.VirtualStorage:
+    derived_from: tosca.capabilities.Root
+    description: Describes the attachment capabilities related to Vdu.Storage
+
+
+relationship_types:
+  tosca.relationships.nfv.VirtualBindsTo:
+    derived_from: tosca.relationships.DependsOn
+    description: Represents an association relationship between Vdu.Compute and VduCp node types
+    valid_target_types: [ tosca.capabilities.nfv.VirtualBindable ]
+
+  tosca.relationships.nfv.AttachesTo:
+    derived_from: tosca.relationships.Root
+    description: Represents an association relationship between the Vdu.Compute and one of the node types, Vdu.VirtualBlockStorage, Vdu.VirtualObjectStorage or Vdu.VirtualFileStorage
+    valid_target_types: [ tosca.capabilities.nfv.VirtualStorage ]
+
+
+interface_types:
+  tosca.interfaces.nfv.Vnflcm:
+    derived_from: tosca.interfaces.Root
+    description: This interface encompasses a set of TOSCA operations corresponding to the VNF LCM operations defined in ETSI GS NFV-IFA 007 as well as to preamble and postamble procedures to the execution of the VNF LCM operations.
+    operations:
+      instantiate:
+        description: Invoked upon receipt of an Instantiate VNF request
+        # inputs:
+        # additional_parameters:
+        # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        # required: false
+      # derived types are expected to introduce additional_parameters with its
+      # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+      instantiate_start:
+        description: Invoked before instantiate
+      instantiate_end:
+        description: Invoked after instantiate
+      terminate:
+        description: Invoked upon receipt Terminate VNF request
+        # inputs:
+        # additional_parameters:
+        # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        # required: false
+      # derived types are expected to introduce additional_parameters with its
+      # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+      terminate_start:
+        description: Invoked before terminate
+      terminate_end:
+        description: Invoked after terminate
+      modify_information:
+        description: Invoked upon receipt of a Modify VNF Information request
+      modify_information_start:
+        description: Invoked before modify_information
+      modify_information_end:
+        description: Invoked after modify_information
+      change_flavour:
+        description: Invoked upon receipt of a Change VNF Flavour request
+        # inputs:
+        # additional_parameters:
+        # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        # required: false
+      # derived types are expected to introduce additional_parameters with its
+      # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+      change_flavour_start:
+        description: Invoked before change_flavour
+      change_flavour_end:
+        description: Invoked after change_flavour
+      change_external_connectivity:
+        description: Invoked upon receipt of a Change External VNF Connectivity  request
+        # inputs:
+        # additional_parameters:
+        # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        # required: false
+      # derived types are expected to introduce additional_parameters with its
+      # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+      change_external_connectivity_start:
+        description: Invoked before change_external_connectivity
+      change_external_connectivity_end:
+        description: Invoked after change_external_connectivity
+      operate:
+        description: Invoked upon receipt of an Operate VNF request
+        # inputs:
+        # additional_parameters:
+        # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        # required: false
+      # derived types are expected to introduce additional_parameters with its
+      # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+      operate_start:
+        description: Invoked before operate
+      operate_end:
+        description: Invoked after operate
+      heal:
+        description: Invoked upon receipt of a Heal VNF request
+        # inputs:
+        #   additional_parameters:
+        #     type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        #     required: false
+        # derived types are expected to introduce additional_parameters with its
+        # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        inputs:
+          cause:
+            type: string
+            description: Indicates the reason why a healing procedure is required.
+            required: false
+          vnfc_instance_ids:
+            type: list
+            entry_schema:
+              type: string
+            description: List of VNFC instances requiring a healing action.
+            required: false
+      heal_start:
+        description: Invoked before heal
+      heal_end:
+        description: Invoked after heal
+      scale:
+        description: Invoked upon receipt of a Scale VNF request
+        # inputs:
+        # additional_parameters:
+        # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        # required: false
+        # derived types are expected to introduce additional_parameters with its
+        # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        inputs:
+          type:
+            type: string
+            description: Indicates the type of the scale operation requested.
+            constraints:
+              - valid_values: [ scale_out, scale_in ]
+          aspect:
+            type: string
+            description: Identifier of the scaling aspect.
+          number_of_steps:
+            type: integer
+            description: Number of scaling steps to be executed.
+            required: true
+            constraints:
+              - greater_than: 0
+            default: 1
+      scale_start:
+        description: Invoked before scale
+      scale_end:
+        description: Invoked after scale
+      scale_to_level:
+        description: Invoked upon receipt of a Scale VNF to Level request
+        # inputs:
+        # additional_parameters:
+        # type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        # required: false
+        # derived types are expected to introduce additional_parameters with its
+        # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        inputs:
+          instantiation_level:
+            type: string
+            description: Identifier of the target instantiation level of the current deployment flavour to which the VNF is requested to be scaled. Either instantiation_level or scale_info shall be provided.
+            required: false
+          scale_info:
+            type: map # key: aspectId
+            description: For each scaling aspect of the current deployment flavour, indicates the target scale level to which the VNF is to be scaled. Either instantiation_level or scale_info shall be provided.
+            required: false
+            entry_schema:
+              type: tosca.datatypes.nfv.ScaleInfo
+      scale_to_level_start:
+        description: Invoked before scale_to_level
+      scale_to_level_end:
+        description: Invoked after scale_to_level
+      create_snapshot:
+        description: Invoked upon receipt of a Create VNF snapshot request
+          # inputs:
+          # additional_parameters:
+        #   type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        #   required: false
+      # derived types are expected to introduce additional_parameters with its
+      # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+      create_snapshot_start:
+        description: Invoked before create_snapshot
+      create_snapshot_end:
+        description: Invoked after create_snapshot
+      revert_to_snapshot:
+        description: Invoked upon receipt of a Revert to VNF snapshot request
+          # inputs:
+          # additional_parameters:
+        #   type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        #   required: false
+      # derived types are expected to introduce additional_parameters with its
+      # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+      revert_to_snapshot_start:
+        description: Invoked before revert_to_snapshot
+      revert_to_snapshot_end:
+        description: Invoked after revert_to_snapshot
+      change_current_package:
+        description: Invoked by tosca.policies.nfv.VnfPackageChange
+          # inputs:
+          # additional_parameters:
+        #   type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+        #   required: false
+      # derived types are expected to introduce additional_parameters with its
+      # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+      change_current_package_start:
+        description: Invoked by tosca.policies.nfv.VnfPackageChange
+      change_current_package_end:
+        description: Invoked by tosca.policies.nfv.VnfPackageChange
+    notifications:
+      change_current_package_notification:
+        description: Invoked upon receipt of a ChangeCurrentVnfPackage request
+      change_current_package_start_notification:
+        description: Invoked before the operation designated to changing the current VNF package
+      change_current_package_end_notification:
+        description: Invoked after the operation designated to changing the current VNF package
+
+  tosca.interfaces.nfv.VnfIndicator:
+    derived_from: tosca.interfaces.Root
+    description: This interface is an empty base interface type for deriving VNF specific interface types that include VNF indicator specific notifications.
+
+  tosca.interfaces.nfv.ChangeCurrentVnfPackage:
+    derived_from: tosca.interfaces.Root
+    description: This interface is an empty base interface type for deriving VNF specific interface types that include VNF Change Current VNF Package specific operation.
+    operations:
+    # operation_name: name of a VNF-specific operation serving the Change current VNF Package request.
+    # description: Invoked by tosca.policies.nfv.VnfPackageChange
+    # inputs:
+    # additional_parameters:
+    #   type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
+    #   required: false
+    # derived types are expected to introduce additional_parameters with its
+    # type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
+
+node_types:
+  tosca.nodes.nfv.VNF:
+    derived_from: tosca.nodes.Root
+    description: The generic abstract type from which all VNF specific node types shall be derived to form, together with other node types, the TOSCA service template(s) representing the VNFD
+    properties:
+      descriptor_id: # instead of vnfd_id
+        type: string # UUID
+        description: Identifier of this VNFD information element. This attribute shall be globally unique
+        required: true
+      descriptor_version: # instead of vnfd_version
+        type: string
+        description: Identifies the version of the VNFD
+        required: true
+      provider: # instead of vnf_provider
+        type: string
+        description: Provider of the VNF and of the VNFD
+        required: true
+      product_name: # instead of vnf_product_name
+        type: string
+        description: Human readable name for the VNF Product
+        required: true
+      software_version: # instead of vnf_software_version
+        type: string
+        description: Software version of the VNF
+        required: true
+      product_info_name: # instead of vnf_product_info_name
+        type: string
+        description: Human readable name for the VNF Product
+        required: false
+      product_info_description: # instead of vnf_product_info_description
+        type: string
+        description: Human readable description of the VNF Product
+        required: false
+      vnfm_info:
+        type: list
+        required: true
+        description: Identifies VNFM(s) compatible with the VNF
+        entry_schema:
+          type: string
+          constraints:
+            - pattern: (^etsivnfm:v[0-9]?[0-9]\.[0-9]?[0-9]\.[0-9]?[0-9]$)|(^[0-9]+:[a-zA-Z0-9.-]+$)
+      localization_languages:
+        type: list
+        description: Information about localization languages of the VNF
+        required: false
+        entry_schema:
+          type: string #IETF RFC 5646 string
+      default_localization_language:
+        type: string #IETF RFC 5646 string
+        description: Default localization language that is instantiated if no information about selected localization language is available
+        required: false
+        #configurable_properties:
+        #type: tosca.datatypes.nfv.VnfConfigurableProperties
+        #description: Describes the configurable properties of the VNF
+        #required: false
+        # derived types are expected to introduce configurable_properties
+        # with its type derived from tosca.datatypes.nfv.VnfConfigurableProperties
+        #modifiable_attributes:
+        #type: tosca.datatypes.nfv.VnfInfoModifiableAttributes
+        #description: Describes the modifiable attributes of the VNF
+        #required: false
+        # derived types are expected to introduce modifiable_attributes
+        # with its type derived from
+        # tosca.datatypes.nfv.VnfInfoModifiableAttributes
+      lcm_operations_configuration:
+        type: tosca.datatypes.nfv.VnfLcmOperationsConfiguration
+        description: Describes the configuration parameters for the VNF LCM operations
+        required: false
+      monitoring_parameters:
+        type: list
+        entry_schema:
+          type: tosca.datatypes.nfv.VnfMonitoringParameter
+        description: Describes monitoring parameters applicable to the VNF.
+        required: false
+      flavour_id:
+        type: string
+        description: Identifier of the Deployment Flavour within the VNFD
+        required: true
+      flavour_description:
+        type: string
+        description: Human readable description of the DF
+        required: true
+      vnf_profile:
+        type: tosca.datatypes.nfv.VnfProfile
+        description: Describes a profile for instantiating VNFs of a particular NS DF according to a specific VNFD and VNF DF
+        required: false
+    attributes:
+      scale_status:
+        type: map # key: aspectId
+        description: Scale status of the VNF, one entry per aspect. Represents for every scaling aspect how "big" the VNF has been scaled w.r.t. that aspect.
+        entry_schema:
+          type: tosca.datatypes.nfv.ScaleInfo
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 0, 1 ]
+    # Additional requirements shall be defined in the VNF specific node type (deriving from tosca.nodes.nfv.VNF) corresponding to NS virtual links that need to connect to VnfExtCps
+    interfaces:
+      Vnflcm:
+        type: tosca.interfaces.nfv.Vnflcm
+    # VnfIndicator:
+    #   type: tosca.interfaces.nfv.VnfIndicator
+    # derived types are expected to introduce Vnf Indicator interfaces 
+    # with their type derived from tosca.interfaces.nfv.VnfIndicator
+
+  tosca.nodes.nfv.VnfExtCp:
+    derived_from: tosca.nodes.nfv.Cp
+    description: Describes a logical external connection point, exposed by the VNF enabling connection with an external Virtual Link
+    properties:
+      virtual_network_interface_requirements:
+        type: list
+        description: The actual virtual NIC requirements that is been assigned when instantiating the connection point
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements
+    requirements:
+      - external_virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 0, 1 ]
+      - internal_virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 1, 1 ]
+
+  tosca.nodes.nfv.Vdu.Compute:
+    derived_from: tosca.nodes.Root
+    description: Describes the virtual compute part of a VDU which is a construct  supporting the description of the deployment and operational behavior of a VNFC
+    properties:
+      name:
+        type: string
+        description: Human readable name of the VDU
+        required: true
+      description:
+        type: string
+        description: Human readable description of the VDU
+        required: true
+      boot_order:
+        type: boolean
+        description: indicates whether the order of the virtual_storage requirements is used as the boot index (the first requirement represents the lowest index and defines highest boot priority)
+        required: true
+        default: false
+      nfvi_constraints:
+        type: map
+        description: Describes constraints on the NFVI for the VNFC instance(s) created from this VDU. This property is reserved for future use in the present document.
+        required: false
+        entry_schema:
+          type: string
+      monitoring_parameters:
+        type: list
+        description: Describes monitoring parameters applicable to a VNFC instantiated from this VDU
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VnfcMonitoringParameter
+        #configurable_properties:
+        #type: tosca.datatypes.nfv.VnfcConfigurableProperties
+        #required: false 
+        # derived types are expected to introduce
+        # configurable_properties with its type derived from
+        # tosca.datatypes.nfv.VnfcConfigurableProperties
+      vdu_profile:
+        type: tosca.datatypes.nfv.VduProfile
+        description: Defines additional instantiation data for the VDU.Compute node
+        required: true
+      sw_image_data:
+        type: tosca.datatypes.nfv.SwImageData
+        description: Defines information related to a SwImage artifact used by this Vdu.Compute node
+        required: false # property is required when the node template has an associated artifact of type tosca.artifacts.nfv.SwImage and not required otherwise
+        status: deprecated
+      boot_data:
+        type: tosca.datatypes.nfv.BootData
+        description: Contains the information used to customize a virtualised compute resource at boot time. The bootData may contain variable parts that are replaced by deployment specific values before being sent to the VIM.
+        required: false
+    capabilities:
+      virtual_compute:
+        type: tosca.capabilities.nfv.VirtualCompute
+        occurrences: [ 1, 1 ]
+      virtual_binding:
+        type: tosca.capabilities.nfv.VirtualBindable
+        occurrences: [ 1, UNBOUNDED ]
+    requirements:
+      - virtual_storage:
+          capability: tosca.capabilities.nfv.VirtualStorage
+          relationship: tosca.relationships.nfv.AttachesTo
+          occurrences: [ 0, UNBOUNDED ]
+
+  tosca.nodes.nfv.Vdu.VirtualBlockStorage:
+    derived_from: tosca.nodes.Root
+    description: This node type describes the specifications of requirements related to virtual block storage resources
+    properties:
+      virtual_block_storage_data:
+        type: tosca.datatypes.nfv.VirtualBlockStorageData
+        description: Describes the block storage characteristics.
+        required: true
+      sw_image_data:
+        type: tosca.datatypes.nfv.SwImageData
+        description: Defines information related to a SwImage artifact used by this Vdu.Compute node.
+        required: false # property is required when the node template has an associated artifact of type tosca.artifacts.nfv.SwImage and not required otherwise
+        status: deprecated
+    capabilities:
+      virtual_storage:
+        type: tosca.capabilities.nfv.VirtualStorage
+        description: Defines the capabilities of virtual_storage.
+
+  tosca.nodes.nfv.Vdu.VirtualObjectStorage:
+    derived_from: tosca.nodes.Root
+    description: This node type describes the specifications of requirements related to virtual object storage resources
+    properties:
+      virtual_object_storage_data:
+        type: tosca.datatypes.nfv.VirtualObjectStorageData
+        description: Describes the object storage characteristics.
+        required: true
+    capabilities:
+      virtual_storage:
+        type: tosca.capabilities.nfv.VirtualStorage
+        description: Defines the capabilities of virtual_storage.
+
+  tosca.nodes.nfv.Vdu.VirtualFileStorage:
+    derived_from: tosca.nodes.Root
+    description: This node type describes the specifications of requirements related to virtual file storage resources
+    properties:
+      virtual_file_storage_data:
+        type: tosca.datatypes.nfv.VirtualFileStorageData
+        description: Describes the file  storage characteristics.
+        required: true
+    capabilities:
+      virtual_storage:
+        type: tosca.capabilities.nfv.VirtualStorage
+        #description: Defines the capabilities of virtual_storage.
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 1, 1 ]
+          # description: Describes the requirements for linking to virtual link
+
+  tosca.nodes.nfv.VduCp:
+    derived_from: tosca.nodes.nfv.Cp
+    description: describes network connectivity between a VNFC instance based on this VDU and an internal VL
+    properties:
+      bitrate_requirement:
+        type: integer   # in bits per second
+        description: Bitrate requirement in bit per second on this connection point
+        required: false
+        constraints:
+          - greater_or_equal: 0
+      virtual_network_interface_requirements:
+        type: list
+        description: Specifies requirements on a virtual network interface realising  the CPs instantiated from this CPD
+        required: false
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements
+      order:
+        type: integer
+        description: The order of the NIC on the compute instance (e.g.eth2)
+        required: false
+        constraints:
+          - greater_or_equal: 0
+      vnic_type:
+        type: string
+        description: Describes the type of the virtual network interface realizing the CPs instantiated from this CPD
+        required: false
+        constraints:
+          - valid_values: [ normal, macvtap, direct, baremetal, virtio-forwarder, direct-physical, smart-nic ]
+    requirements:
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VirtualLinksTo
+          occurrences: [ 0, 1 ]
+      - virtual_binding:
+          capability: tosca.capabilities.nfv.VirtualBindable
+          relationship: tosca.relationships.nfv.VirtualBindsTo
+          node: tosca.nodes.nfv.Vdu.Compute
+          occurrences: [ 1, 1 ]
+
+  tosca.nodes.nfv.VnfVirtualLink:
+    derived_from: tosca.nodes.Root
+    description: Describes the information about an internal VNF VL
+    properties:
+      connectivity_type:
+        type: tosca.datatypes.nfv.ConnectivityType
+        description: Specifies the protocol exposed by the VL and the flow pattern supported by the VL
+        required: true
+      description:
+        type: string
+        description: Provides human-readable information on the purpose of the VL
+        required: false
+      test_access:
+        type: list
+        description: Test access facilities available on the VL
+        required: false
+        entry_schema:
+          type: string
+          constraints:
+            - valid_values: [ passive_monitoring, active_loopback ]
+      vl_profile:
+        type: tosca.datatypes.nfv.VlProfile
+        description: Defines additional data for the VL
+        required: true
+      monitoring_parameters:
+        type: list
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualLinkMonitoringParameter
+        description: Describes monitoring parameters applicable to the VL
+        required: false
+    capabilities:
+      virtual_linkable:
+        type: tosca.capabilities.nfv.VirtualLinkable
+
+  tosca.nodes.nfv.VipCp:
+    derived_from: tosca.nodes.nfv.Cp
+    description: Describes a connection point to allocate one or a set of virtual IP addresses
+    properties:
+      vip_function:
+        type: string
+        description: "Indicates the function the virtual IP address is used for: high availability or load balancing. When used for high availability, only one of the internal VDU CP instances or VNF external CP instances that share the virtual IP is bound to the VIP address at a time. When used for load balancing purposes all CP instances that share the virtual IP are bound to it."
+        required: true
+        constraints:
+          - valid_values: [ high_availability, load_balance ]
+    requirements:
+      - target:
+          capability: tosca.capabilities.Node
+          relationship: tosca.relationships.DependsOn
+          occurrences: [ 1, UNBOUNDED ]
+      - virtual_link:
+          capability: tosca.capabilities.nfv.VirtualLinkable
+          relationship: tosca.relationships.nfv.VipVirtualLinksTo
+          occurrences: [ 1, 1 ]
+
+group_types:
+  tosca.groups.nfv.PlacementGroup:
+    derived_from: tosca.groups.Root
+    description: PlacementGroup is used for describing the affinity or anti-affinity relationship applicable between the virtualization containers to be created based on different VDUs, or between internal VLs to be created based on different VnfVirtualLinkDesc(s)
+    properties:
+      description:
+        type: string
+        description: Human readable description of the group
+        required: true
+    members: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink ]
+
+
+policy_types:
+  tosca.policies.nfv.InstantiationLevels:
+    derived_from: tosca.policies.Root
+    description: The InstantiationLevels type is a policy type representing all the instantiation levels of resources to be instantiated within a deployment flavour and including default instantiation level in term of the number of VNFC instances to be created as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      levels:
+        type: map # key: levelId
+        description: Describes the various levels of resources that can be used to instantiate the VNF using this flavour.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.InstantiationLevel
+        constraints:
+          - min_length: 1
+      default_level:
+        type: string # levelId
+        description: The default instantiation level for this flavour.
+        required: false # required if multiple entries in levels
+
+  tosca.policies.nfv.VduInstantiationLevels:
+    derived_from: tosca.policies.Root
+    description: The VduInstantiationLevels type is a policy type representing all the instantiation levels of resources to be instantiated within a deployment flavour in term of the number of VNFC instances to be created from each vdu.Compute. as defined in ETSI GS NFV-IFA 011 [1]
+    properties:
+      levels:
+        type: map # key: levelId
+        description: Describes the Vdu.Compute levels of resources that can be used to instantiate the VNF using this flavour
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VduLevel
+        constraints:
+          - min_length: 1
+    targets: [ tosca.nodes.nfv.Vdu.Compute ]
+
+  tosca.policies.nfv.VirtualLinkInstantiationLevels:
+    derived_from: tosca.policies.Root
+    description: The VirtualLinkInstantiationLevels type is a policy type representing all the instantiation levels of virtual link resources to be instantiated within a deployment flavour as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      levels:
+        type: map # key: levelId
+        description: Describes the virtual link levels of resources that can be used to instantiate the VNF using this flavour.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
+        constraints:
+          - min_length: 1
+    targets: [ tosca.nodes.nfv.VnfVirtualLink ]
+
+  tosca.policies.nfv.ScalingAspects:
+    derived_from: tosca.policies.Root
+    description: The ScalingAspects type is a policy type representing the scaling aspects used for horizontal scaling as defined in ETSI GS NFV-IFA 011 [1]
+    properties:
+      aspects:
+        type: map # key: aspectId
+        description: Describe maximum scale level for total number of scaling steps that can be applied to a particular aspect
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.ScalingAspect
+        constraints:
+          - min_length: 1
+
+  tosca.policies.nfv.VduScalingAspectDeltas:
+    derived_from: tosca.policies.Root
+    description: The VduScalingAspectDeltas type is a policy type representing the Vdu.Compute detail of an aspect deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1]
+    properties:
+      aspect:
+        type: string
+        description: Represents the scaling aspect to which this policy applies
+        required: true
+      deltas:
+        type: map # key: scalingDeltaId
+        description: Describes the Vdu.Compute scaling deltas to be applied for every scaling steps of a particular aspect.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VduLevel
+        constraints:
+          - min_length: 1
+    targets: [ tosca.nodes.nfv.Vdu.Compute ]
+
+  tosca.policies.nfv.VirtualLinkBitrateScalingAspectDeltas:
+    derived_from: tosca.policies.Root
+    description: The VirtualLinkBitrateScalingAspectDeltas type is a policy type representing the VnfVirtualLink detail of an aspect deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      aspect:
+        type: string
+        description: Represents the scaling aspect to which this policy applies.
+        required: true
+      deltas:
+        type: map # key: scalingDeltaId
+        description: Describes the VnfVirtualLink scaling deltas to be applied for every scaling steps of a particular aspect.
+        required: true
+        entry_schema:
+          type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
+        constraints:
+          - min_length: 1
+    targets: [ tosca.nodes.nfv.VnfVirtualLink ]
+
+  tosca.policies.nfv.VduInitialDelta:
+    derived_from: tosca.policies.Root
+    description: The VduInitialDelta type is a policy type representing the Vdu.Compute detail of an initial delta used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      initial_delta:
+        type: tosca.datatypes.nfv.VduLevel
+        description: Represents the initial minimum size of the VNF.
+        required: true
+    targets: [ tosca.nodes.nfv.Vdu.Compute ]
+
+  tosca.policies.nfv.VirtualLinkBitrateInitialDelta:
+    derived_from: tosca.policies.Root
+    description: The VirtualLinkBitrateInitialDelta type is a policy type representing the VnfVirtualLink detail of an initial deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      initial_delta:
+        type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
+        description: Represents the initial minimum size of the VNF.
+        required: true
+    targets: [ tosca.nodes.nfv.VnfVirtualLink ]
+
+  tosca.policies.nfv.AffinityRule:
+    derived_from: tosca.policies.Placement
+    description: The AffinityRule describes the affinity rules applicable for the defined targets
+    properties:
+      scope:
+        type: string
+        description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
+        required: true
+        constraints:
+          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop, network_link_and_node ]
+    targets: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink, tosca.groups.nfv.PlacementGroup ]
+
+  tosca.policies.nfv.AntiAffinityRule:
+    derived_from: tosca.policies.Placement
+    description: The AntiAffinityRule describes the anti-affinity rules applicable for the defined targets
+    properties:
+      scope:
+        type: string
+        description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
+        required: true
+        constraints:
+          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop, network_link_and_node ]
+    targets: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink, tosca.groups.nfv.PlacementGroup ]
+
+  tosca.policies.nfv.SupportedVnfInterface:
+    derived_from: tosca.policies.Root
+    description: this policy type represents interfaces produced by a VNF, the details to access them and the applicable connection points to use to access these interfaces
+    properties:
+      interface_name:
+        type: string
+        description: Identifies an interface produced by the VNF.
+        required: true
+        constraints:
+          - valid_values: [ vnf_indicator, vnf_configuration ]
+      details:
+        type: tosca.datatypes.nfv.InterfaceDetails
+        description: Provide additional data to access the interface endpoint
+        required: false
+    targets: [ tosca.nodes.nfv.VnfExtCp, tosca.nodes.nfv.VduCp ]
+
+  tosca.policies.nfv.SecurityGroupRule:
+    derived_from: tosca.policies.nfv.Abstract.SecurityGroupRule
+    description: The SecurityGroupRule type is a policy type specified the matching criteria for the ingress and/or egress traffic to/from visited connection points as defined in ETSI GS NFV-IFA 011 [1].
+    targets: [ tosca.nodes.nfv.VduCp, tosca.nodes.nfv.VnfExtCp ]
+
+  tosca.policies.nfv.VnfIndicator:
+    derived_from: tosca.policies.Root
+    description: The VnfIndicator policy type is a base policy type for defining VNF indicator specific policies that define the conditions to assess and the action to perform when a VNF indicator changes value as defined in ETSI GS NFV-IFA 011 [1].
+    properties:
+      source:
+        type: string
+        description: Describe the source of the indicator.
+        required: true
+        constraints:
+          - valid_values: [ vnf, em, both_vnf_and_em ]
+    targets: [ tosca.nodes.nfv.VNF ]
+
+  tosca.policies.nfv.VnfPackageChange:
+    derived_from: tosca.policies.Root
+    description: policy type specifying the processes and rules to be used for performing the resource related tasks, to change VNF instance to a different VNF Package (destination package)
+    properties:
+      selector:
+        type: tosca.datatypes.nfv.VnfPackageChangeSelector
+        description: Information to identify the source and destination VNFD for the change, and the related deployment flavours.
+        required: true
+      modification_qualifier:
+        type: string
+        description: Specifies the type of modification resulting from transitioning from srcVnfdId to dstVnfdId. The possible values are UP indicating that the destination VNF version is newer than the source version, DOWN indicating that the destination VNF version is older than the source version.
+        constraints: [ valid_values: [ up, down ] ]
+        required: true
+      additional_modification_description:
+        type: string
+        description: Additional information to qualify further the change between the two versions.
+        required: false
+      component_mappings:
+        type: list
+        entry_schema:
+          type: tosca.datatypes.nfv.VnfPackageChangeComponentMapping
+        description: Mapping information related to identifiers of components in source VNFD and destination VNFD that concern to the change process.
+        required: false
+      destination_flavour_id:
+        type: string
+        description: Identifies the deployment flavour in the destination VNF package for which this change applies. The flavour ID is defined in the destination VNF package.
+        required: true
+
+
+
+