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TCP/IP Guide by Charles M. Kozierok

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NNTP Overview and General Operation

As I explained earlier in this chapter, Usenet started out as an informal network of UNIX computers using dial-up UUCP connections to transmit messages between servers. This arrangement arose out of necessity, and it worked fairly well, though it had a number of problems. Once the Internet became widely used in the 1980s, it provided the ideal opportunity for a more efficient means of distributing Usenet articles. NNTP was developed as a special TCP/IP protocol for sending these messages. Now NNTP carries billions of copies of Usenet messages from computer to computer every day.

Tip

BACKGROUND INFORMATION NNTP is similar to the Simple Mail Transfer Protocol (SMTP) in many ways, including its basic operation and ...

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