mailing list archives
RE: IPv6 end user addressing
From: Jonathon Exley <Jonathon.Exley () kordia co nz>
Date: Mon, 8 Aug 2011 10:09:11 +1200
This has probably been said before, but it makes me uncomfortable to think of everybody in the world being given /48
subnets by default.
All of a sudden that wide expanse of 2^128 IP addresses shrinks to 2^48 sites. Sure that's still 65535 times more than
2^32 IPv4 addresses, but wouldn't it be wise to apply some conservatism now to allow the IPv6 address space to last for
many more years?
After all, there are only 4 bits of IP version field so the basic packet format won't last forever.
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