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| == Address plan examples (2015) == * Only first half /64 used, last half of ipv6 is for host-ID * Big company's may be issued with /32 IPv6 space. * Best practice is to use /48 for a site, with /64 for individual subnet's. |
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IPv6
- While IPv4 has a fixed limit of around 4 billion IP addresses, IPv6 will have exponentially more, on the magnitude of around 340 billion billion billion billion (3.4×1038).
- Next gen ip protocol
As the 4 billion IPv4 addresses run out sometime early next decade (current estimates: 2011-2012), the Internet will stop growing if we do not find ways to tackle the exhaust. The successor to IPv4 - IPv6 - allows 340 undecillion addresses or more than 50 billion billion billion per person on earth.
Address plan examples (2015)
- Only first half /64 used, last half of ipv6 is for host-ID
- Big company's may be issued with /32 IPv6 space.
- Best practice is to use /48 for a site, with /64 for individual subnet's.
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