public ConnexionUDP(String adresse, int portEcoute, int portEnvoi) {
		this.portEcoute = portEcoute;
		this.portEnvoi = portEnvoi;
		this.adresseIP = adresse;
		
		try { socket = new DatagramSocket(portEcoute); }
		catch (SocketException e) { e.printStackTrace(); }
	}