Added a few todos.
diff --git a/core/api/src/main/java/org/onlab/onos/net/host/HostService.java b/core/api/src/main/java/org/onlab/onos/net/host/HostService.java
index 357fb61..a42e231 100644
--- a/core/api/src/main/java/org/onlab/onos/net/host/HostService.java
+++ b/core/api/src/main/java/org/onlab/onos/net/host/HostService.java
@@ -43,7 +43,6 @@
      * @param vlanId vlan identifier
      * @return set of hosts in the given vlan id
      */
-    // FIXME: change long to VLanId
     Set<Host> getHostsByVlan(VlanId vlanId);
 
     /**
@@ -62,6 +61,8 @@
      */
     Set<Host> getHostsByIp(IpAddress ip);
 
+    // TODO: consider adding Host getHostByIp(IpAddress ip, VlanId vlan);
+
     /**
      * Returns the set of hosts whose most recent location is the specified
      * connection point.