建立管理长连接、推送、通知、数据传输、自定义协议等等Nettyisanasynchronousevent-drivennetworkapplicationframeworkforrapiddevelopmentofmaintainablehighperformanceprotocolservers&clients.NettyisaNIOclientserverframeworkwhichenablesquickandeasydevelopmentofnetworkapplicationssuchasprotocolserversandclients.Itgreat