diff --git a/core/net/src/main/java/org/onlab/onos/net/host/impl/DefaultPortAddresses.java b/core/net/src/main/java/org/onlab/onos/net/host/impl/DefaultPortAddresses.java
new file mode 100644
index 0000000..fb656cf
--- /dev/null
+++ b/core/net/src/main/java/org/onlab/onos/net/host/impl/DefaultPortAddresses.java
@@ -0,0 +1,36 @@
+package org.onlab.onos.net.host.impl;
+
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.host.PortAddresses;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+
+public class DefaultPortAddresses implements PortAddresses {
+
+    private final ConnectPoint connectPoint;
+    private final IpAddress ipAddress;
+    private final MacAddress macAddress;
+
+    public DefaultPortAddresses(ConnectPoint connectPoint,
+            IpAddress ip, MacAddress mac) {
+        this.connectPoint = connectPoint;
+        this.ipAddress = ip;
+        this.macAddress = mac;
+    }
+
+    @Override
+    public ConnectPoint connectPoint() {
+        return connectPoint;
+    }
+
+    @Override
+    public IpAddress ip() {
+        return ipAddress;
+    }
+
+    @Override
+    public MacAddress mac() {
+        return macAddress;
+    }
+
+}
diff --git a/core/net/src/main/java/org/onlab/onos/net/host/impl/HostManager.java b/core/net/src/main/java/org/onlab/onos/net/host/impl/HostManager.java
index e2c9858..3c1a499 100644
--- a/core/net/src/main/java/org/onlab/onos/net/host/impl/HostManager.java
+++ b/core/net/src/main/java/org/onlab/onos/net/host/impl/HostManager.java
@@ -157,26 +157,22 @@
     @Override
     public void bindAddressesToPort(IpAddress ip, MacAddress mac,
             ConnectPoint connectPoint) {
-        // TODO Auto-generated method stub
-
+        store.updateAddressBindings(new DefaultPortAddresses(connectPoint, ip, mac));
     }
 
     @Override
     public void unbindAddressesFromPort(ConnectPoint connectPoint) {
-        // TODO Auto-generated method stub
-
+        store.removeAddressBindings(connectPoint);
     }
 
     @Override
     public Set<PortAddresses> getAddressBindings() {
-        // TODO Auto-generated method stub
-        return null;
+        return store.getAddressBindings();
     }
 
     @Override
     public PortAddresses getAddressBindingsForPort(ConnectPoint connectPoint) {
-        // TODO Auto-generated method stub
-        return null;
+        return store.getAddressBindingsForPort(connectPoint);
     }
 
     // Personalized host provider service issued to the supplied provider.
diff --git a/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleHostStore.java b/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleHostStore.java
index 752ec9e..6568d43 100644
--- a/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleHostStore.java
+++ b/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleHostStore.java
@@ -51,6 +51,9 @@
     // Hosts tracked by their location
     private final Multimap<ConnectPoint, Host> locations = HashMultimap.create();
 
+    private final Map<ConnectPoint, PortAddresses> portAddresses =
+            new ConcurrentHashMap<>();
+
     @Activate
     public void activate() {
         log.info("Started");
@@ -195,26 +198,22 @@
 
     @Override
     public void updateAddressBindings(PortAddresses addresses) {
-        // TODO Auto-generated method stub
-
+        portAddresses.put(addresses.connectPoint(), addresses);
     }
 
     @Override
     public void removeAddressBindings(ConnectPoint connectPoint) {
-        // TODO Auto-generated method stub
-
+        portAddresses.remove(connectPoint);
     }
 
     @Override
     public Set<PortAddresses> getAddressBindings() {
-        // TODO Auto-generated method stub
-        return null;
+        return new HashSet<>(portAddresses.values());
     }
 
     @Override
     public PortAddresses getAddressBindingsForPort(ConnectPoint connectPoint) {
-        // TODO Auto-generated method stub
-        return null;
+        return portAddresses.get(connectPoint);
     }
 
 }