[151309] in North American Network Operators' Group
Re: Shim6, was: Re: filtering /48 is going to be necessary
daemon@ATHENA.MIT.EDU (james machado)
Thu Mar 15 13:39:01 2012
In-Reply-To: <4F616D7C.7030307@necom830.hpcl.titech.ac.jp>
Date: Thu, 15 Mar 2012 10:38:05 -0700
From: james machado <hvgeekwtrvl@gmail.com>
To: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
2012/3/14 Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>:
< stuff deleted >
> For high speed (fixed time) routed look up with 1M entries, SRAM is
> cheap at /24 and is fine at /32 but expensive and power consuming
> TCAM is required at /48.
>
> That's one reason why we should stay away from IPv6.
>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0Masataka Ohta
>
I found this bit of research from 2007 (
http://www.cise.ufl.edu/~wlu/papers/tcam.pdf ). It seems to me there
are probably more ways to mix and match different types of ram to be
able to deal with this beast.
james