Windows Server® 2012 Unleashed
by Rand Morimoto, Michael Noel, Guy Yardeni, Omar Droubi, Andrew Abbate, Chris Amaris
Understanding IPv6 Addressing
An IPv6 address, as previously mentioned, is 128 bits long, as compared with IPv4 32-bit addresses. The address itself uses hexadecimal format to shorten the nonbinary written form. Take, for example, the following 128-bit IPv6 address written in binary:
11111110100000000000000000000000000000000000000000000000000000000000001000001100001010011111111111111110010001000111111000111111
The first step in creating the nonbinary form of the address is to divide the number in 16-bit values:
1111111010000000 0000000000000000
0000000000000000 0000000000000000
0000001000001100 0010100111111111
1111111001000100 0111111000111111
Each 16-bit value is then converted to hexadecimal format to produce the IPv6 address:
FE80:0000:0000:0000:020C:29FF:FE44:7E3F ...
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