diff --git a/apps/tetopology/src/main/java/org/onosproject/tetopology/management/api/KeyId.java b/apps/tetopology/src/main/java/org/onosproject/tetopology/management/api/KeyId.java
new file mode 100644
index 0000000..6e73a5b
--- /dev/null
+++ b/apps/tetopology/src/main/java/org/onosproject/tetopology/management/api/KeyId.java
@@ -0,0 +1,103 @@
+/*
+ * 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.api;
+
+import java.net.URI;
+import java.util.Objects;
+
+/**
+ * Representation of an key identifier in URI.
+ *
+ */
+public class KeyId {
+    /**
+     * Represents either no uri, or an unspecified uri.
+     */
+    public static final KeyId NONE = keyId("none:none");
+
+    private final URI uri;
+    private final String str;
+
+    // Public construction is prohibited
+    private KeyId(URI uri) {
+        this.uri = uri;
+        //this.str = uri.toString().toLowerCase();
+        this.str = uri.toString();
+    }
+
+
+    /**
+     * Default constructor for serialization of KeyId.
+     */
+    protected KeyId() {
+        this.uri = null;
+        this.str = null;
+    }
+
+    /**
+     * Returns the backing URI.
+     *
+     * @return backing URI
+     */
+    public URI uri() {
+        return uri;
+    }
+
+    @Override
+    public int hashCode() {
+        return str.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof KeyId) {
+            KeyId that = (KeyId) obj;
+            return this.getClass() == that.getClass() &&
+                    Objects.equals(this.str, that.str);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return str;
+    }
+
+    /**
+     * Creates a uri id using the supplied URI.
+     *
+     * @param uri URI
+     * @return UriId
+     */
+    public static KeyId keyId(URI uri) {
+        return new KeyId(uri);
+    }
+
+    /**
+     * Creates a uri id using the supplied URI string.
+     *
+     * @param string URI string
+     * @return UriId
+     */
+    public static KeyId keyId(String string) {
+        return keyId(URI.create(string));
+    }
+
+}