[143358] in North American Network Operators' Group
RE: IPv6 end user addressing
daemon@ATHENA.MIT.EDU (Jonathon Exley)
Sun Aug 7 18:10:07 2011
From: Jonathon Exley <Jonathon.Exley@kordia.co.nz>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Mon, 8 Aug 2011 10:09:11 +1200
In-Reply-To: <CAPWAtbJtPMDx-NzU8UphoSy+97ygo4Fknz5_eSghsjp-aN9x_A@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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 sit=
es. 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 spac=
e to last for many more years?=20
After all, there are only 4 bits of IP version field so the basic packet fo=
rmat won't last forever.
Jonathon=20
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