[116732] in North American Network Operators' Group
Re: IPv6 Addressing Help
daemon@ATHENA.MIT.EDU (Randy Bush)
Sat Aug 15 02:35:27 2009
Date: Sat, 15 Aug 2009 15:34:10 +0900
From: Randy Bush <randy@psg.com>
To: William Herrin <herrin-nanog@dirtside.com>
In-Reply-To: <3c3e3fca0908142138u26d44deby932b874eb3f1aec2@mail.gmail.com>
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> I'm going to contradict you there. Classful addressing had a lot to
> recommend it. The basic problem we ran in to was that there weren't
> enough B's for everyone who needed more than a C and there weren't
> enough A's period. So we started handing out groups of disaggregate
> C's and that path led to the swamp.
the swamp preceeded cidr
and, if you had a bit of simple arithmetic clue, you would realize that,
unless you are prescient, you will always run out of some classes before
others. as we are very poor at predicting the future, there was no win
to be had in classful.
randy
