(The content details of the third volume cover the four basic aspects that today's TCP/IP programmers and network administrators need to be proficient in: T/TCP (TCP business protocol), which is an extension to TCP that enables client-server communication Faster, more efficient and more reliable business transmission; HTTP (Hypertext Transfer Protocol), which is the basis of the rapidly expanding World Wide Web; NNTP (Network Transfer Protocol), which is the basis of the Usennet system; UNIX Domain Protocol, which is in A very broad set of protocols used in UNIX implementations. As with the previous two volumes, this book is rich in examples and implementation details, all of which are network code in 4.4BSD-Lite.)