通过网上收集的P2P文件传输及共享材料及源代码，包括即时通，NAT，文件分块，P2P传输等,Through the online collection of P2P file transfer and sharing of materials and source code, including instant messaging, NAT, file blocking, P2P transmission

讲解如果通过NAT打洞来实现P2P打洞，资料中包含源码。-Explain if the holes to achieve through the NAT P2P holes, the information contained in the source code.

基于NAT穿越技术的P2P通信方案的研究与实现-P2P-based NAT traversal technology research and communications programs to achieve