这是一个讲解P2P的PPT，通过它用户可以详细了解什么是p2p，以及如何应用p2p进行网络上的通信。-This is a P2P on the PPT, through which users can learn more about what is p2p, and how to use p2p on the communications network.

Socket通信网络编程教程Socket Communications Network Programming Tutorial-Network Programming Tutorial Socket Communications Socket Communications Network Programming Tutorial

上海移动传送网络总体架构的PPT教学资料，对通信方面感兴趣的同学可以看看，对面试有些帮助。-The overall architecture of a mobile carrier network PPT teaching materials, communications, interested students can see the interview of some help.