IPv6

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Internet Protocol version 6 (commonly abbreviated IPv6) is the next generation of the Internet Protocol, and is the logical progression of IPv4. It was created to solve the addressing problem of IPv4 as the shortage of unique internet addresses continues to grow and become an increasingly critical issue for the daily operation of the internet as a sustainable network.


Whereas IPv4 provides up to 4,294,967,296 (232) unique addresses[1] , IPv6 effectively creates as many as 2128 (about 3.4×1038) addresses, or approximately 5×1028 (roughly 295) addresses for each of the roughly 6.5 billion (6.5×109) people alive today. [2]


Specifications


Format

The format of an IPv6 address is as 7 slotted groups of 4 hexadecimal numbers, as follows:

0000:1111:2222:3333:4444:5555:6666:7777



Example

An example of an actual IPv6 address is as follows:

2001:0db8:85a3:0000:0000:8a2e:0370:7334


Tools

Tutorials

External Links


References

  1. wikipedia:IPv4
  2. wikipedia:IPv6
  3. wikipedia:6to4
  4. IPv6 Addressing (TechRef): http://technet.microsoft.com/en-us/library/dd392266(WS.10).aspx
  5. IPv6 Neighbor Discovery: http://technet.microsoft.com/en-us/library/dd379512(WS.10).aspx
  6. IPv6 Routing (TechRef): http://technet.microsoft.com/en-us/library/dd379520(WS.10).aspx
  7. IPv6 Transition Technologies (TechRef): http://technet.microsoft.com/en-us/library/dd379548(WS.10).aspx

See Also

IP | IPv4 | TCP/IP | Metcalfe's Law