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diff --git a/dcae-analytics-tca/src/main/java/org/openecomp/dcae/apod/analytics/tca/flowlet/TCAVESThresholdViolationCalculatorFlowlet.java b/dcae-analytics-tca/src/main/java/org/openecomp/dcae/apod/analytics/tca/flowlet/TCAVESThresholdViolationCalculatorFlowlet.java
new file mode 100644
index 0000000..3d03cf7
--- /dev/null
+++ b/dcae-analytics-tca/src/main/java/org/openecomp/dcae/apod/analytics/tca/flowlet/TCAVESThresholdViolationCalculatorFlowlet.java
@@ -0,0 +1,137 @@
+/*
+ * ============LICENSE_START=========================================================
+ * dcae-analytics
+ * ================================================================================
+ *  Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.dcae.apod.analytics.tca.flowlet;
+
+import co.cask.cdap.api.annotation.Output;
+import co.cask.cdap.api.annotation.ProcessInput;
+import co.cask.cdap.api.annotation.Property;
+import co.cask.cdap.api.annotation.RoundRobin;
+import co.cask.cdap.api.dataset.lib.ObjectMappedTable;
+import co.cask.cdap.api.flow.flowlet.AbstractFlowlet;
+import co.cask.cdap.api.flow.flowlet.FlowletContext;
+import co.cask.cdap.api.flow.flowlet.OutputEmitter;
+import co.cask.cdap.api.metrics.Metrics;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import org.openecomp.dcae.apod.analytics.common.CDAPComponentsConstants;
+import org.openecomp.dcae.apod.analytics.common.CDAPMetricsConstants;
+import org.openecomp.dcae.apod.analytics.model.domain.policy.tca.TCAPolicy;
+import org.openecomp.dcae.apod.analytics.model.facade.tca.TCAVESResponse;
+import org.openecomp.dcae.apod.analytics.tca.persistance.TCACalculatorMessageType;
+import org.openecomp.dcae.apod.analytics.tca.persistance.TCAMessageStatusEntity;
+import org.openecomp.dcae.apod.analytics.tca.persistance.TCAMessageStatusPersister;
+import org.openecomp.dcae.apod.analytics.tca.processor.TCACEFProcessorContext;
+import org.openecomp.dcae.apod.analytics.tca.utils.TCAUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.openecomp.dcae.apod.analytics.common.CDAPComponentsConstants.TCA_FIXED_VES_THRESHOLD_VIOLATION_CALCULATOR_DESCRIPTION_FLOWLET;
+import static org.openecomp.dcae.apod.analytics.common.CDAPComponentsConstants.TCA_FIXED_VES_THRESHOLD_VIOLATION_CALCULATOR_NAME_FLOWLET;
+
+/**
+ * TCA VES Message Filter filters out messages which are not applicable for TCA as per TCA Policy
+ *
+ * @author Rajiv Singla. Creation Date: 11/3/2016.
+ */
+public class TCAVESThresholdViolationCalculatorFlowlet extends AbstractFlowlet {
+
+    private static final Logger LOG = LoggerFactory.getLogger(TCAVESThresholdViolationCalculatorFlowlet.class);
+
+    @Output(CDAPComponentsConstants.TCA_FIXED_VES_TCA_CALCULATOR_NAME_OUTPUT)
+    private OutputEmitter<String> tcaAlertOutputEmitter;
+
+    @Property
+    private final String messageStatusTableName;
+
+    private TCAPolicy tcaPolicy;
+    private Metrics metrics;
+    private ObjectMappedTable<TCAMessageStatusEntity> vesMessageStatusTable;
+
+    public TCAVESThresholdViolationCalculatorFlowlet(String messageStatusTableName) {
+        this.messageStatusTableName = messageStatusTableName;
+    }
+
+    @Override
+    public void configure() {
+        setName(TCA_FIXED_VES_THRESHOLD_VIOLATION_CALCULATOR_NAME_FLOWLET);
+        setDescription(TCA_FIXED_VES_THRESHOLD_VIOLATION_CALCULATOR_DESCRIPTION_FLOWLET);
+    }
+
+
+    @Override
+    public void initialize(FlowletContext flowletContext) throws Exception {
+        super.initialize(flowletContext);
+
+        // parse Runtime Arguments to tca policy preferences
+        tcaPolicy = TCAUtils.getValidatedTCAPolicyPreferences(flowletContext);
+
+        vesMessageStatusTable = getContext().getDataset(messageStatusTableName);
+
+    }
+
+    @ProcessInput(CDAPComponentsConstants.TCA_FIXED_VES_MESSAGE_ROUTER_OUTPUT)
+    @RoundRobin
+    public void filterVESMessages(String vesMessage) throws JsonProcessingException {
+
+        TCACalculatorMessageType calculatorMessageType = TCACalculatorMessageType.INAPPLICABLE;
+        String alertMessage = null;
+
+        // Step 1: Filter incoming messages
+        final TCACEFProcessorContext processorContext = TCAUtils.filterCEFMessage(vesMessage, tcaPolicy);
+
+        if (processorContext.canProcessingContinue()) {
+
+            // Step 2: Check if CEF Message violate any thresholds
+            final TCACEFProcessorContext processorContextWithViolations =
+                    TCAUtils.computeThresholdViolations(processorContext);
+
+            if (processorContextWithViolations.canProcessingContinue()) {
+
+                // Step 3: Create Alert Message
+                final String tcaAppName = getContext().getApplicationSpecification().getName();
+                final TCAVESResponse newTCAVESResponse =
+                        TCAUtils.createNewTCAVESResponse(processorContextWithViolations, tcaAppName);
+                alertMessage = TCAUtils.writeValueAsString(newTCAVESResponse);
+                calculatorMessageType = TCACalculatorMessageType.NON_COMPLIANT;
+                LOG.debug("VES Threshold Violation Detected. An alert message is be generated. {}", alertMessage);
+
+                metrics.count(CDAPMetricsConstants.TCA_VES_NON_COMPLIANT_MESSAGES_METRIC, 1);
+
+                // Step 4: Emit message to Alert Sink Flowlet
+                tcaAlertOutputEmitter.emit(alertMessage);
+
+            } else {
+
+                calculatorMessageType = TCACalculatorMessageType.COMPLIANT;
+                metrics.count(CDAPMetricsConstants.TCA_VES_COMPLIANT_MESSAGES_METRIC, 1);
+            }
+
+        } else {
+
+            metrics.count(CDAPMetricsConstants.TCA_VES_INAPPLICABLE_MESSAGES_METRIC, 1);
+        }
+
+        // save message to message status table
+        TCAMessageStatusPersister.persist(
+                processorContext, getContext(), calculatorMessageType, vesMessageStatusTable, alertMessage);
+    }
+
+
+}