关于C#的一本相当经典的书，刚入门的人可以看看，相信会大有收益。-On the C# of a very classic book, one can just take a look at the entry, I believe it will have much to gain.

用协议分析工具学习TCP/IP协议，是入门的好资料！-Using protocol analysis tools for learning TCP/IP protocol, is a good entry information!

NS-3是以C++为主要开发语言，采用Python作为配置、部署语言的新一代网络仿真系统，本文是学习权威指南，是学习Ns-3系统的入门级权威资料。-NS-3 is a C++ as the main development language, using Python as the configuration language to deploy simulation environment，Ns-3 is a new generation of network simulation syste