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Working with Windows® Small Business Server 2011 Essentials by Andrew Edney, Sharon Crawford, Charlie Russel

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Name Resolution

As useful as the 12-decimal–digit IP numbers (192.168.101.102) are when it comes to computers recognizing other computers, they’re not the sort of information that human minds process very well. Not only is there a limit to how many 12-digit numbers one can memorize, but such numbers can easily change.

Even worse, IP version 6 (IPv6) addresses are 128 bits expressed in strings that can have as many as 32 hexadecimal characters, although they’re often shorter. (Actually, IPv6 addresses can even be written as 128 ones and zeroes, but that’s not likely to catch on.)

Obviously, easy-to-remember names are preferable to strings of numbers or strings of characters and numbers. This section looks at how names are handled in the TCP/IP and ...

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