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

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IP Addresses and What They Mean

Your IP address is to the Internet (or to the other computers on your local network) what your street address is to your mail carrier. It uniquely identifies your computer by using a simple, 32-bit (or 128-bit, with IPv6) addressing scheme. This scheme, which originated in the late 1960s and early 1970s, uses four octets (for IPv4) separated by dots, in the form w.x.y.z (we’ll use these letters to represent each octet throughout this appendix, to describe both the network’s address and the local machine’s address on that network). Each octet is represented by a single decimal number but is called an octet because it requires eight bits to describe it.

Note

IPv6 addresses use hexadecimal notation, with blocks separated ...

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