T C P / I P (通常它是指传输控制协议/网际协议， Transmission Control Protocol/Internet Protocol)是发展至今最成功的通信协议，它被用于当今所构筑的最大的开放式网络系统I n t e r n e t之上就是其成功的明证。I n t e r n e t最初的设计是为了满足美国国防的需要，具体来讲就是使美国政府即使在遭受核打击时也能保证通信不间断， T C P / I P就是用于这个目的的。今天，I n t e r n e t已经发展得更加商业化，更加面向消费者，尽管基本目的发生了改变，但其最初的所有质量标准(也就是开放式、-TCP/IP (usually it refers to the Transmission Control Protocol/Internet Protocol, Transmission Control Protocol/Internet Protocol) is the most successful so far the development of communication protocols, which is used today by building the largest open network system that is above the I nternet proof of its success. I nternet was originally designed to meet U.S. defense needs, specifically the United States Government, even when subjected to nuclear attack can ensure uninterrupted communication, TCP/IP is used for this purpose. Today, I nternet has developed a more commercial, more consumer-oriented, while the basic purpose has changed, but its original quality standards for all (that is open, ...