diff --git a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java
new file mode 100644
index 0000000..2484369
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+++ b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java
@@ -0,0 +1,66 @@
+/*
+ * 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.segmentrouting;
+
+import java.util.List;
+
+/**
+ * Segment Routing Service for REST API.
+ */
+public interface SegmentRoutingService {
+
+    /**
+     * Returns all tunnels.
+     *
+     * @return list of tunnels
+     */
+    List<Tunnel> getTunnels();
+
+    /**
+     * Creates a tunnel.
+     *
+     * @param tunnel tunnel reference to create
+     */
+    void createTunnel(Tunnel tunnel);
+
+    /**
+     * Returns all policies.
+     *
+     * @return list of policy
+     */
+    List<Policy> getPolicies();
+
+    /**
+     * Creates a policy.
+     *
+     * @param policy policy reference to create
+     */
+    void createPolicy(Policy policy);
+
+    /**
+     * Removes a tunnel.
+     *
+     * @param tunnel tunnel reference to remove
+     */
+    void removeTunnel(Tunnel tunnel);
+
+    /**
+     * Removes a policy.
+     *
+     * @param policy policy reference to remove
+     */
+    void removePolicy(Policy policy);
+}