VC++环境下实现的P2P打洞程序，即NAT(Network Address Translators)，网络地址转换，有客户端和服务器端两部分，并附有详细说明NAT原理的文件！

vc写的穿透NAT例子。很不错 又说明文件-vc write NAT example of penetration. Also very good note

经常有对P2P原理的讨论，但是讨论归讨论，很少有实质的东西产生（源代码）。在这里我就用自己实现的一个VC源代码来说明UDP穿越NAT的原理。-often principle of peer-to-peer discussions, but the discussions under discussion, with little substantive things have (source code). Here, I used one of its own to achieve VC sou