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一个完善的升级程序，可供编写自动升级程序模块参考。(A complete update program solution.)

基于CSocket点对点文件传输，用c++实现。(CSocket file transfer developed by c++)

基于opnet的胖树多播网络仿真，主要为多播算法的仿真，程序较完善(Opnet fat tree multicast network simulation, primarily for multicast algorithm based simulation program better)

WINPCAP 抓包工具，可以用来抓包等功能，十分简单的代码，可以直接使用(WINPCAP tools)

windows 套接口 编程 udp(windows udp socket programming)

实现单线程文件传输，不支持断点传出，功能相对简单，但是性能很好。(Achieve single-threaded file transfer, does not support breakpoints spread, function is relatively simple, but the performance is very good.)

本源碼是一個用從Internet的Web頁面上得到Email地址,采用多線程遞歸算法(This source code is a Web page is available from the Internet, get Email address, using a recursive algorithm for multi-threaded)

TCP与UDP源代码测试程序，方便初学者观看，理解。用VC写的，容易读懂。。(TCP and UDP code for ABC to use)

MFC实现文件传输，望有志者增加多线程的功能(MFC to achieve file transfer, and hopes to increase multi-threading features people with lofty ideals)

本代码是利用socket套接字实现点对点的简单聊天软件程序。语言是C++。内附源码，项目设计报告，和可执行文件。(This code is using socket to realize P2P-based simple chatting software. Program lauguage is C++. Besides source code, also Included program design report and executable files.)