diff --git a/controllerApp/Net.pde b/controllerApp/Net.pde
index e01d344efc9e4a44ea9b47a023033f1fb7daa1a6..94214bcc83fc6d27875fcbe9f3df02db3202074a 100644
--- a/controllerApp/Net.pde
+++ b/controllerApp/Net.pde
@@ -1,11 +1,15 @@
 import java.io.*;
 import java.net.*;
+import java.util.UUID;
 
 class Net
 {
   JSONObject jsonParam;
+  String uuid;
+  
   public Net()
   {
+    this.uuid = UUID.randomUUID().toString();
   }
   public void sendTap(float x, float y){
      jsonParam = new JSONObject();
@@ -76,7 +80,7 @@ class Net
       @Override
         public void run() {
         try {
-          URL url = new URL("http://mathboard.cs-campus.fr/multicast/a1b2c3");
+          URL url = new URL("http://controller.viarezo.fr/multicast?code="+code+"&id="+uuid);
           HttpURLConnection conn = (HttpURLConnection) url.openConnection();
           conn.setRequestMethod("POST");
           conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
diff --git a/controllerApp/controllerApp.pde b/controllerApp/controllerApp.pde
index 4d6e5882998cdde7daa7fee1f7461b8ce0688e7f..91c57d22a6a79b205a39ef75deb0741be6512fa0 100644
--- a/controllerApp/controllerApp.pde
+++ b/controllerApp/controllerApp.pde
@@ -14,6 +14,7 @@ float cx, cy, cz;
 float Size = 10;
 float Angle = 0;
 PImage img;
+String code = "a1b2c3";
 Boolean keyboard_flag = false;
 ArrayList<Thing> things = new ArrayList<Thing>();
 ArrayList<BallWave> ball_waves = new ArrayList<BallWave>();
diff --git a/controllerSite/controllerSite.py b/controllerSite/controllerSite.py
index 8e0c4cdb59fbc756ede2b566d915d2622dcd0595..7f421738956c75911c4da66771089065e779dd76 100644
--- a/controllerSite/controllerSite.py
+++ b/controllerSite/controllerSite.py
@@ -1,9 +1,12 @@
 import os
 from flask import Flask, flash, request, jsonify, redirect, url_for, render_template
+from flask_socketio import SocketIO
 from flask_bootstrap import Bootstrap
 from werkzeug.utils import secure_filename
 
 app = Flask(__name__)
+socketio = SocketIO(app)
+clients = {}
 
 queue = []
 
@@ -23,32 +26,29 @@ def allowed_file(filename):
     return '.' in filename and \
            filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
 
-@app.route('/multicast/<string:id>', methods=['GET', 'POST'])
-def upload_file(id):
+@app.route('/multicast', methods=['GET', 'POST'])
+def multicast():
     if request.method == 'POST':
+        code = request.form['code']
+        id = request.form['id']
         content = request.json
-        print(content)
-        return jsonify({"id":id})
+        print(code,id,content)
+        socketio.emit('multicast', content, callback=confirmReception,namespace='/'+code)
+        return jsonify({"code":code,"id":id})
     return '''
     <!doctype html>
-    <title>Upload new File</title>
-    <h1>Upload new File</h1>
-    <form method=post enctype=multipart/form-data>
-      <input type=file name=file>
-      <input type=submit value=Upload>
-    </form>
+    <title>Use a HTTP POST Request</title>
     '''
+def confirmReception():
+    print('Message Received.')
 
-@app.route('/verify/<string:id>/')
-def items(id):
-
-    if id in queue:
-        return 'False'
-    else:
-        return 'True'
+@socketio.on('code')
+def handle_code(json, methods=['GET', 'POST']):
+    print('code received: ' + str(json))
+    socketio.emit('message', json, callback=confirmReception,namespace='/a1b2c3')
 
 if __name__ == '__main__':
-    app.run(debug = True,host = "0.0.0.0",port = 80)
+    socketio.run(app,debug = True,host = "0.0.0.0",port = 80)