diff --git a/net/api/src/main/java/org/onlab/onos/net/HostLocation.java b/net/api/src/main/java/org/onlab/onos/net/HostLocation.java
index 022a6f9..22673a6 100644
--- a/net/api/src/main/java/org/onlab/onos/net/HostLocation.java
+++ b/net/api/src/main/java/org/onlab/onos/net/HostLocation.java
@@ -1,10 +1,19 @@
 package org.onlab.onos.net;
 
+import java.util.Objects;
+
 /**
  * Representation of a network edge location where an end-station host is
  * connected.
  */
-public interface HostLocation extends ConnectPoint {
+public class HostLocation extends ConnectPoint {
+
+    private final long time;
+
+    public HostLocation(DeviceId deviceId, PortNumber portNumber, long time) {
+        super(deviceId, portNumber);
+        this.time = time;
+    }
 
     /**
      * Returns the timestamp when the location was established, given in
@@ -12,6 +21,22 @@
      *
      * @return timestamp in milliseconds since start of epoch
      */
-    long time();
+    public long time() {
+        return time;
+    }
+
+    @Override
+    public int hashCode() {
+        return 31 * super.hashCode() + Objects.hash(time);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof HostLocation) {
+            final HostLocation other = (HostLocation) obj;
+            return super.equals(obj) && Objects.equals(this.time, other.time);
+        }
+        return false;
+    }
 
 }