diff --git a/apps/tetopology/app/src/main/java/org/onosproject/tetopology/management/impl/InternalTeNode.java b/apps/tetopology/app/src/main/java/org/onosproject/tetopology/management/impl/InternalTeNode.java
new file mode 100644
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--- /dev/null
+++ b/apps/tetopology/app/src/main/java/org/onosproject/tetopology/management/impl/InternalTeNode.java
@@ -0,0 +1,348 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.tetopology.management.impl;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.collections.MapUtils;
+import org.onosproject.tetopology.management.api.TeTopologyKey;
+import org.onosproject.tetopology.management.api.link.TeLinkTpGlobalKey;
+import org.onosproject.tetopology.management.api.node.CommonNodeData;
+import org.onosproject.tetopology.management.api.node.ConnectivityMatrix;
+import org.onosproject.tetopology.management.api.node.ConnectivityMatrixKey;
+import org.onosproject.tetopology.management.api.node.NetworkNodeKey;
+import org.onosproject.tetopology.management.api.node.TeNode;
+import org.onosproject.tetopology.management.api.node.TeNodeKey;
+import org.onosproject.tetopology.management.api.node.TtpKey;
+import org.onosproject.tetopology.management.api.node.TunnelTerminationPoint;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.base.Objects;
+import com.google.common.collect.Lists;
+
+/**
+ * The Node representation in store.
+ */
+public class InternalTeNode {
+    private CommonNodeData teData;
+    private TeTopologyKey underlayTopologyKey;
+    private TeNodeKey supportNodeKey;
+    private TeNodeKey sourceTeNodeKey;
+    private List<ConnectivityMatrixKey> connMatrixKeys;
+    private List<TeLinkTpGlobalKey> teLinkTpKeys;
+    private List<TeLinkTpGlobalKey> teTpKeys;
+    private List<TtpKey> ttpKeys;
+    private NetworkNodeKey networkNodeKey;
+    private boolean parentUpdate;
+    private boolean childUpdate;
+
+    // Next available TE link Id egressing from the TE node.
+    private long nextTeLinkId;
+
+    /**
+     * Creates an instance of InternalTeNode.
+     *
+     * @param nodeKey the TE node key
+     * @param node the TE node
+     * @param networkNodeKey the network node key
+     * @param parentUpdate the flag if the data is updated by parent
+     */
+    public InternalTeNode(TeNodeKey nodeKey, TeNode node,
+           NetworkNodeKey networkNodeKey, boolean parentUpdate) {
+        this.networkNodeKey = networkNodeKey;
+        this.parentUpdate = parentUpdate;
+        // Underlay topology
+        this.underlayTopologyKey = node.underlayTeTopologyId();
+        // Supporting topology
+        this.supportNodeKey = node.supportingTeNodeId();
+        // Source topology
+        this.sourceTeNodeKey = node.sourceTeNodeId();
+        // Common data
+        this.teData = new CommonNodeData(node);
+        // Connectivity matrix
+        if (MapUtils.isNotEmpty(node.connectivityMatrices())) {
+            this.connMatrixKeys = Lists.newArrayList();
+            for (Map.Entry<Long, ConnectivityMatrix> entry : node.connectivityMatrices().entrySet()) {
+                this.connMatrixKeys.add(new ConnectivityMatrixKey(nodeKey, entry.getKey()));
+            }
+        }
+        // Tunnel termination point
+        if (MapUtils.isNotEmpty(node.tunnelTerminationPoints())) {
+            this.ttpKeys = Lists.newArrayList();
+            for (Map.Entry<Long, TunnelTerminationPoint> entry : node.tunnelTerminationPoints().entrySet()) {
+                this.ttpKeys.add(new TtpKey(nodeKey, entry.getKey()));
+            }
+        }
+        // teLink Keys
+        if (CollectionUtils.isNotEmpty(node.teLinkIds())) {
+            this.teLinkTpKeys = Lists.newArrayList();
+            for (Long linkId : node.teLinkIds()) {
+                this.teLinkTpKeys.add(new TeLinkTpGlobalKey(nodeKey, linkId));
+            }
+
+        }
+        // teTp Keys
+        if (CollectionUtils.isNotEmpty(node.teTerminationPointIds())) {
+            this.teTpKeys = Lists.newArrayList();
+            for (Long tpId : node.teTerminationPointIds()) {
+                this.teTpKeys.add(new TeLinkTpGlobalKey(nodeKey, tpId));
+            }
+        }
+    }
+
+    /**
+     * Returns the node common data.
+     *
+     * @return the teData
+     */
+    public CommonNodeData teData() {
+        return teData;
+    }
+
+    /**
+     * Sets the node common data.
+     *
+     * @param teData the teData to set
+     */
+    public void setTeData(CommonNodeData teData) {
+        this.teData = teData;
+    }
+
+    /**
+     * Returns the node underlay topology key.
+     *
+     * @return the underlayTopologyKey
+     */
+    public TeTopologyKey underlayTopologyKey() {
+        return underlayTopologyKey;
+    }
+
+    /**
+     * Sets the node underlay topology key.
+     *
+     * @param underlayTopologyKey the underlayTopologyKey to set
+     */
+    public void setUnderlayTopologyKey(TeTopologyKey underlayTopologyKey) {
+        this.underlayTopologyKey = underlayTopologyKey;
+    }
+
+    /**
+     * Returns the supporting node key.
+     *
+     * @return the supportNodeKey
+     */
+    public TeNodeKey supportNodeKey() {
+        return supportNodeKey;
+    }
+
+    /**
+     * Sets the supporting node key.
+     *
+     * @param supportNodeKey the supportNodeKey to set
+     */
+    public void setSupportNodeKey(TeNodeKey supportNodeKey) {
+        this.supportNodeKey = supportNodeKey;
+    }
+
+    /**
+     * Returns the source node key.
+     *
+     * @return the sourceTeNodeKey
+     */
+    public TeNodeKey sourceTeNodeKey() {
+        return sourceTeNodeKey;
+    }
+
+    /**
+     * Sets the source node key.
+     *
+     * @param sourceTeNodeKey the sourceTeNodeKey to set
+     */
+    public void setSourceTeNodeKey(TeNodeKey sourceTeNodeKey) {
+        this.sourceTeNodeKey = sourceTeNodeKey;
+    }
+
+    /**
+     * Returns the node connect matrix keys.
+     *
+     * @return the connMatrixKeys
+     */
+    public List<ConnectivityMatrixKey> connMatrixKeys() {
+        return connMatrixKeys;
+    }
+
+    /**
+     * Sets the node connect matrix keys.
+     *
+     * @param connMatrixKeys the connMatrixKeys to set
+     */
+    public void setConnMatrixKeys(List<ConnectivityMatrixKey> connMatrixKeys) {
+        this.connMatrixKeys = connMatrixKeys;
+    }
+
+    /**
+     * Returns the TE link Ids.
+     *
+     * @return the teLinkTpKeys
+     */
+    public List<TeLinkTpGlobalKey> teLinkTpKeys() {
+        return teLinkTpKeys;
+    }
+
+    /**
+     * Sets the TE link Ids from the node.
+     *
+     * @param teLinkTpKeys the teLinkTpKeys to set
+     */
+    public void setTeLinkTpKeys(List<TeLinkTpGlobalKey> teLinkTpKeys) {
+        this.teLinkTpKeys = teLinkTpKeys;
+    }
+
+    /**
+     * Returns the TE termitation point Ids.
+     *
+     * @return the teTpKeys
+     */
+    public List<TeLinkTpGlobalKey> teTpKeys() {
+        return teTpKeys;
+    }
+
+    /**
+     * Sets the TE termitation point Ids.
+     *
+     * @param teTpKeys the teTpKeys to set
+     */
+    public void setTeTpKeys(List<TeLinkTpGlobalKey> teTpKeys) {
+        this.teTpKeys = teTpKeys;
+    }
+
+    /**
+     * Returns the list of Tunnel Termination Point keys of the node.
+     *
+     * @return the ttpKeys
+     */
+    public List<TtpKey> ttpKeys() {
+        return ttpKeys;
+    }
+
+    /**
+     * Sets the list of Tunnel Termination Point keys.
+     *
+     * @param ttpKeys the ttpKeys to set
+     */
+    public void setTtpKeys(List<TtpKey> ttpKeys) {
+        this.ttpKeys = ttpKeys;
+    }
+
+    /**
+     * Returns the network node Key.
+     *
+     * @return the networkNodeKey
+     */
+    public NetworkNodeKey networkNodeKey() {
+        return networkNodeKey;
+    }
+
+    /**
+     * Returns the next available TE link id from the node.
+     *
+     * @return the nextTeLinkId
+     */
+    public long nextTeLinkId() {
+        return nextTeLinkId;
+    }
+
+    /**
+     * Sets the next available TE link id.
+     *
+     * @param nextTeLinkId the nextTeLinkId to set
+     */
+    public void setNextTeLinkId(long nextTeLinkId) {
+        this.nextTeLinkId = nextTeLinkId;
+    }
+
+    /**
+     * Returns the flag if the data was updated by parent change.
+     *
+     * @return value of parentUpdate
+     */
+    public boolean parentUpdate() {
+        return parentUpdate;
+    }
+
+    /**
+     * Returns the flag if the data was updated by child change.
+     *
+     * @return value of childUpdate
+     */
+    public boolean childUpdate() {
+        return childUpdate;
+    }
+
+    /**
+     * Sets the flag if the data was updated by child change.
+     *
+     * @param childUpdate the childUpdate value to set
+     */
+    public void setChildUpdate(boolean childUpdate) {
+        this.childUpdate = childUpdate;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(teData, underlayTopologyKey, supportNodeKey,
+                sourceTeNodeKey, connMatrixKeys, teLinkTpKeys, ttpKeys, networkNodeKey);
+    }
+
+    @Override
+    public boolean equals(Object object) {
+        if (this == object) {
+            return true;
+        }
+        if (object instanceof InternalTeNode) {
+            InternalTeNode that = (InternalTeNode) object;
+            return Objects.equal(teData, that.teData)
+                    && Objects.equal(underlayTopologyKey,
+                                     that.underlayTopologyKey)
+                    && Objects.equal(supportNodeKey, that.supportNodeKey)
+                    && Objects.equal(sourceTeNodeKey, that.sourceTeNodeKey)
+                    && Objects.equal(connMatrixKeys, that.connMatrixKeys)
+                    && Objects.equal(teLinkTpKeys, that.teLinkTpKeys)
+                    && Objects.equal(ttpKeys, that.ttpKeys)
+                    && Objects.equal(networkNodeKey, that.networkNodeKey);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("teData", teData)
+                .add("underlayTopologyKey", underlayTopologyKey)
+                .add("supportNodeKey", supportNodeKey)
+                .add("sourceTeNodeKey", sourceTeNodeKey)
+                .add("connMatrixKeys", connMatrixKeys)
+                .add("teLinkTpKeys", teLinkTpKeys)
+                .add("ttpKeys", ttpKeys)
+                .add("nextTeLinkId", nextTeLinkId)
+                .add("networkNodeKey", networkNodeKey)
+                .add("parentUpdate", parentUpdate)
+                .add("childUpdate", childUpdate)
+                .toString();
+    }
+}