diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnelDescription.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnelDescription.java
new file mode 100644
index 0000000..e4c4d89
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnelDescription.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2015 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.incubator.net.tunnel;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import org.onosproject.core.DefaultGroupId;
+import org.onosproject.net.AbstractDescription;
+import org.onosproject.net.SparseAnnotations;
+import org.onosproject.net.provider.ProviderId;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Default implementation of immutable tunnel description entity.
+ */
+public class DefaultTunnelDescription extends AbstractDescription
+        implements TunnelDescription {
+
+    private final TunnelId tunnelId;
+    private final TunnelEndPoint src;
+    private final TunnelEndPoint dst;
+    private final Tunnel.Type type;
+    private final DefaultGroupId groupId; // represent for a group flow table
+    // which a tunnel match up
+    // tunnel producer
+    private final ProviderId producerName; // tunnel producer name
+    private final TunnelName tunnelName; // name of a tunnel
+
+    /**
+     * Creates a tunnel description using the supplied information.
+     *
+     * @param id TunnelId
+     * @param src TunnelPoint source
+     * @param dst TunnelPoint destination
+     * @param type tunnel type
+     * @param groupId groupId
+     * @param producerName tunnel producer
+     * @param tunnelName tunnel name
+     * @param annotations optional key/value annotations
+     */
+    public DefaultTunnelDescription(TunnelId id, TunnelEndPoint src,
+                                    TunnelEndPoint dst, Tunnel.Type type,
+                                    DefaultGroupId groupId,
+                                    ProviderId producerName,
+                                    TunnelName tunnelName,
+                                    SparseAnnotations... annotations) {
+        super(annotations);
+        checkNotNull(producerName, "producerName cannot be null");
+        checkNotNull(src, "src cannot be null");
+        checkNotNull(dst, "dst cannot be null");
+        checkNotNull(type, "type cannot be null");
+        this.tunnelId = id;
+        this.src = src;
+        this.dst = dst;
+        this.type = type;
+        this.groupId = groupId;
+        this.producerName = producerName;
+        this.tunnelName = tunnelName;
+    }
+
+    @Override
+    public TunnelId id() {
+        return tunnelId;
+    }
+
+    @Override
+    public TunnelEndPoint src() {
+        return src;
+    }
+
+    @Override
+    public TunnelEndPoint dst() {
+        return dst;
+    }
+
+    @Override
+    public Tunnel.Type type() {
+        return type;
+    }
+
+    @Override
+    public DefaultGroupId groupId() {
+        return groupId;
+    }
+
+    @Override
+    public ProviderId producerName() {
+        return producerName;
+    }
+
+    @Override
+    public TunnelName tunnelName() {
+        return tunnelName;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("tunnelId", id())
+                .add("src", src())
+                .add("dst", dst())
+                .add("type", type())
+                .add("tunnelName", tunnelName())
+                .add("producerName", producerName())
+                .add("groupId", groupId())
+                .toString();
+    }
+
+}