采用NIO技术搭建的通道框架，提供数据收发、连接维持功能。 采用Netty框架设计TCP通道，支持大量客户端连接，且稳定可靠。-NIO technology to build the channel fr a mework, data transceiver connected to maintain the functions. Using the the Netty fr a mework of design TCP channel to support a large number