diff --git a/core/api/src/main/java/org/onlab/onos/net/host/HostDescription.java b/core/api/src/main/java/org/onlab/onos/net/host/HostDescription.java
index e3c67b9..62a4c9a 100644
--- a/core/api/src/main/java/org/onlab/onos/net/host/HostDescription.java
+++ b/core/api/src/main/java/org/onlab/onos/net/host/HostDescription.java
@@ -1,11 +1,43 @@
 package org.onlab.onos.net.host;
 
+import java.util.Set;
+
+import org.onlab.onos.net.Description;
+import org.onlab.onos.net.HostLocation;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.MACAddress;
+
 /**
  * Information describing host and its location.
  */
-public interface HostDescription {
+public interface HostDescription extends Description {
 
-    // IP, MAC, VLAN-ID, HostLocation -> (ConnectionPoint + timestamp)
+    /**
+     * Returns the MAC address associated with this host (NIC).
+     *
+     * @return the MAC address of this host
+     */
+    MACAddress hwAddress();
+
+    /**
+     * Returns the VLAN associated with this host.
+     *
+     * @return the VLAN ID value
+     */
+    short vlan();
+
+    /**
+     * Returns the location of the host on the network edge.
+     *
+     * @return the network location
+     */
+    HostLocation location();
+
+    /**
+     * Returns zero or more IP address(es) associated with this host's MAC.
+     *
+     * @return a set of IP addresses.
+     */
+    Set<IPv4> ipAddresses();
 
 }
-