说明： 经典tcp/ip英文教程，对tcp/ip协议和相关程序实现介绍的十分详细，是国外大学网络编程和网络相关课题研究的入门书籍之一 (classic tcp/ip English Guide to tcp/ip protocols and procedures to achieve a very detailed briefing, foreign university network programming and network-related research one of the entry books)
