private ServerBootstrap bootstrap = new ServerBootstrap(factory);
private SessionManager session_manager;
public Network() {
bootstrap.getPipeline().addLast("encoder", new Encoder());
bootstrap.getPipeline().addLast("decoder", new Decoder());
bootstrap.getPipeline().addLast("handler", new NetworkManager());
bootstrap.getPipeline().addLast("pipelineExecutor", new ExecutionHandler
(
new OrderedMemoryAwareThreadPoolExecutor(