diff --git a/wsproxy/wsproxy-udp.js b/wsproxy/wsproxy-udp.js
index 0a65862..7efb1a2 100755
--- a/wsproxy/wsproxy-udp.js
+++ b/wsproxy/wsproxy-udp.js
@@ -3,14 +3,14 @@
 /* 
  * @author: Wentao Shang
  * See COPYING for copyright and distribution information.
- * Implement WebSocket proxy between ccnd and javascript stack.
+ * Implement WebSocket proxy between ndnd and javascript stack.
  */
 
 var WebSocketServer = require('ws').Server;
 var dgram = require('dgram');
 
 var opt = require('node-getopt').create([
-  ['c' , 'ccnd=ARG', 'host name or ip of ccnd router'],
+  ['c' , 'ndnd=ARG', 'host name or ip of ndnd router'],
   ['p' , 'port=ARG', 'port number on which the proxy will listen'],
   ['m' , 'maxclient=ARG', 'maximum number of concurrent client'],
   ['L' , 'LOG=ARG', 'level of log message display'],
@@ -19,11 +19,11 @@
 .bindHelp()     // bind option 'help' to default action
 .parseSystem(); // parse command line
 
-var ccndhost = opt.options.ccnd || 'localhost';
+var ndndhost = opt.options.ndnd || 'localhost';
 var wsport = opt.options.port || 9696;
 
 var wss = new WebSocketServer({port:wsport, host:'0.0.0.0'});   // Set host to '0.0.0.0' so that we can accept connections from anywhere
-                                                                // This host has nothing to do with ccndhost.
+                                                                // This host has nothing to do with ndndhost.
 
 var MaxNumOfClients = opt.options.maxclient || 40;
 
@@ -45,19 +45,19 @@
 	
 	/*
 	 * According to the email discussion with Michael, when we use
-	 * UDP to connect to ccnd, we MUST first send a 'heartbeat' 
+	 * UDP to connect to ndnd, we MUST first send a 'heartbeat' 
 	 * UDP packet with 1-byte payload (content of this byte can 
-	 * be random). The purpose of this packet is to let ccnd 
-	 * mark the incoming FACE as 'friendly' (with CCN_FACE_GG 
+	 * be random). The purpose of this packet is to let ndnd 
+	 * mark the incoming FACE as 'friendly' (with NDN_FACE_GG 
 	 * flag set). We also need to periodically send this 'heartbeat' 
-	 * packet every few seconds to keep ccnd from recycling the UDP 
+	 * packet every few seconds to keep ndnd from recycling the UDP 
 	 * face. Michael recomended 8 seconds interval. 
 	 *      --Wentao
 	 */
 	// Send 'heartbeat' packet now
 	var heartbeat = new Buffer(1);
 	heartbeat[0] = 0x21;
-	udp.send(heartbeat, 0, 1, 9695, ccndhost, null);
+	udp.send(heartbeat, 0, 1, 9695, ndndhost, null);
 	
 	// Schedule a timer to send 'heartbeat' periodically
 	var timerID = setInterval(function() {
@@ -66,8 +66,8 @@
 		
 		var hb = new Buffer(1);
 		hb[0] = 0x21;
-		udp.send(hb, 0, 1, 9695, ccndhost, null);
-		if (LOG > 1) console.log('UDP heartbeat fired at ccnd.');
+		udp.send(hb, 0, 1, 9695, ndndhost, null);
+		if (LOG > 1) console.log('UDP heartbeat fired at ndnd.');
 	}, 
 	8000 // 8000 ms delay
 	);
@@ -87,12 +87,12 @@
 				console.log(logMsg);
 			}
 			
-			udp.send(buffer, 0, buffer.length, 9695, ccndhost, null);
+			udp.send(buffer, 0, buffer.length, 9695, ndndhost, null);
 		}
 	});
 	
 	ws.on('close', function() {
-		if (LOG > 0) console.log('ws.onclose: WebSocket connection closed. Close UDP connection to ccnd and stop "heartbeat" timer.');
+		if (LOG > 0) console.log('ws.onclose: WebSocket connection closed. Close UDP connection to ndnd and stop "heartbeat" timer.');
 		clearInterval(timerID);
 		udp.close();
 		udp = null;
@@ -113,7 +113,7 @@
 		}
 	});
 	
-	// Actually the socket close by ccnd will not cause the 'close' event to raise.
+	// Actually the socket close by ndnd will not cause the 'close' event to raise.
 	// So this event handle is only called when the client browser shuts down the WS
 	// connection, causing ws 'close' event to raise. In that event handle, we explicitly 
 	// call udp.close(). So in this function we can do nothing. Anyway, here we clear the 
@@ -121,13 +121,13 @@
 	// will check the 'readyState' before closing, therefore avoids 'close' event loop.
 	//     --Wentao
 	udp.on('close', function() {
-		if (LOG > 0) console.log('udp.onclose: UDP connection to ccnd terminated. Shut down WS connection to client and stop "heartbeat" timer.');
+		if (LOG > 0) console.log('udp.onclose: UDP connection to ndnd terminated. Shut down WS connection to client and stop "heartbeat" timer.');
 		clearInterval(timerID);
 		ws.terminate();
 	});
 	
 	udp.on('error', function() {
-		if (LOG > 0) console.log('udp.onerror: Error on UDP connection to ccnd. Shut down WS connection to client and stop "heartbeat" timer.');
+		if (LOG > 0) console.log('udp.onerror: Error on UDP connection to ndnd. Shut down WS connection to client and stop "heartbeat" timer.');
 		clearInterval(timerID);
 		ws.terminate();
 	});