diff --git a/cs656/lab3/ChordClient.java b/cs656/lab3/ChordClient.java
index a484bb7..db57c9e 100644
--- a/cs656/lab3/ChordClient.java
+++ b/cs656/lab3/ChordClient.java
@@ -43,7 +43,7 @@ public class ChordClient
 		URL localURL = null;
 		try
 		{
-			localURL = new URL( protocol + "://" + host + ":4242/");
+			localURL = new URL( protocol + "://" + host + ":5353/");
 		}
 		catch (MalformedURLException e)
 		{
@@ -71,7 +71,7 @@ public class ChordClient
 		URL localURL = null;
 		try
 		{
-			localURL = new URL(protocol + "://" + InetAddress.getLocalHost().getHostAddress() + ":4243/");			
+			localURL = new URL(protocol + "://" + InetAddress.getLocalHost().getHostAddress() + ":5253/");			
 		}
 		catch (MalformedURLException e)
 		{
@@ -85,7 +85,7 @@ public class ChordClient
 		URL bootstrapURL = null;
 		try
 		{
-			bootstrapURL = new URL( protocol + "://" + host + ":4242/");	
+			bootstrapURL = new URL( protocol + "://" + host + ":5353/");	
 		}
 		catch (MalformedURLException e)
 		{
diff --git a/cs656/lab3/PresenceServiceImpl.java b/cs656/lab3/PresenceServiceImpl.java
new file mode 100644
index 0000000..3389e69
--- /dev/null
+++ b/cs656/lab3/PresenceServiceImpl.java
@@ -0,0 +1,41 @@
+
+// Author: Josh Holtrop
+// Date: 2008-10-30
+// CS656
+// Lab Excersize 3
+
+/**
+ * This class implements the PresenceService interface using Chord.
+ * It provides a presence service for the chat system.
+ */
+public class PresenceServiceImpl implements PresenceService
+{
+    ChordClient myChordClient;
+
+	public PresenceServiceImpl(ChordClient chordClient)
+	{
+        myChordClient = chordClient;
+	}
+
+    /* a user calls this method to register with the presence service */
+    public void register(RegistrationInfo reg)
+	{
+	}
+
+    /* a user calls this method to unregister with the presence service */
+    public void unregister(String userName)
+	{
+	}
+
+    /* a user calls this method to get the registration information
+     * for another user by name */
+    public RegistrationInfo lookup(String name)
+	{
+	    return null;
+	}
+
+    /* called when a user wishes to leave the network */
+	public void leave()
+    {
+    }
+}