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TCP/IP Guide by Charles M. Kozierok

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Chapter 52. DOMAIN NAME SYSTEM (DNS) OVERVIEW, FUNCTIONS, AND CHARACTERISTICS

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The creation of host tables to map computer names to addresses greatly improved the usability of the early Internet and the TCP/IP protocol suite that implemented it. Unfortunately, while the host table name system worked well when the internetwork was small, it did not scale particularly well as the Internet started to grow in size and complexity. The name system had to stay, but the use of host tables had to be dispensed with in favor of a newer, more capable system.

Over the period of several years, many engineers worked to create a system that would meet not just the ...

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