CSharp广播程序 在网络编程中，通过广播和多播可以实现发送端发送一个数据包，有多个接收端接收的情况。-CSharp radio program in network programming, broadcast and multicast by the sender can send a packet, a number of cases received by the receiver.

为象棋等对等游戏用的代理服务器，解决网络中断需要从头下的问题。记录网络通讯，当网络中断时自动将记录的通讯包向对方发一遍，达到断线前的状态。-For the proxy server for peer-to-peer games such as chess, the solution to network outages requires a start the problem. Record network communication, when the network is interrup