public void sendUpdate() throws Exception {
		Socket socket = new Socket(hcs.getAddress(), hcs.getPort());
		BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
		writer.write("<ppEngineUpdated>\n");
		writer.flush();
		Logger.log("Sent <ppEngineUpdated> to " + hcs.getLabel());
		writer.close();
		socket.close();

	}