diff --git a/web/gui2/src/main/webapp/app/view/topology/topology.service.ts b/web/gui2/src/main/webapp/app/view/topology/topology.service.ts
new file mode 100644
index 0000000..b75ed07
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+++ b/web/gui2/src/main/webapp/app/view/topology/topology.service.ts
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2018-present Open Networking 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.
+ */
+import { Injectable } from '@angular/core';
+import {
+    LogService,
+} from 'gui2-fw-lib';
+
+
+/**
+ * ONOS GUI -- Topology Service Module.
+ */
+@Injectable()
+export class TopologyService {
+
+    constructor(
+        protected log: LogService,
+    ) {
+        this.log.debug('Initialized TopologyService');
+    }
+
+    init() {
+
+
+    }
+
+    destroy() {
+
+
+    }
+}