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NAT(Network Address Translators)，网络地址转换：网络地址转换是在IP地址日益缺乏的情况下产生的，它的主要目的就是为了能够地址重用。NAT分为两大类，基本的NAT和NAPT(Network Address/Port Translator)。(The principle and implementation of UDP NAT through P2P )

一款传输软件的开发源码,里面包含线程控制以及端口控制功能(mscomm software)

通达信自定义选股插件程序,嵌入通达信，输入某个参数，然后根据相关的股票行情数据计算，然后输出我需要的数据。(Letter custom stock access plug-ins, embedded access to the letter, enter a parameter, and then stocks in accordance with the relevant data, and then output the data I need.)

实现 tcp的端口映射 不同于udp的实现方法(Realization of TCP port mapping from UDP realization method)

卫星网络仿真，在opnet环境下开发调试通过 (Satellite network simulation, in the OPNET environment through the development of debugging)

说明：  输入参数：某个web地址，端口号（默认80）。 连接成功后，提示，输入：某个文件名。例如index.jsp 获取文件成功后，输出发送的字节数和接收到的字节数。关闭(Input parameters: a web address, port number (default 80). Connection is successful, prompt, type: a file name. For example, access to the file index.jsp is successful, the output number of bytes sent and received bytes. Close)

Project that describe how use Windows Socket

仿照TCP协议的UDP封装,用ACK，和滑动窗口(Modeled on the TCP protocol UDP encapsulation, with ACK, and sliding window)

聊天程序的源码，对学习socket编程很有帮助。(Chat program source code, useful for learning socket programming.)

winsock聊天室(winsock Chat Room)