[54123] in North American Network Operators' Group
Re: FW: /8s and filtering
daemon@ATHENA.MIT.EDU (David Schwartz)
Tue Dec 10 16:58:41 2002
From: David Schwartz <davids@webmaster.com>
To: <hnarayan@cs.ucsd.edu>
Cc: <nanog@merit.edu>
Date: Tue, 10 Dec 2002 13:57:04 -0800
In-Reply-To: <Pine.GSO.4.32.0212101243350.13597-100000@gradlab.ucsd.edu>
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, 10 Dec 2002 12:45:42 -0800 (PST), Harsha Narayan wrote:
>Doesn't this mean that unless filtering policies change, after=
Class C
>space is used up, the multihomer will have to get a /22 from the=
ISP
>(since after Class C gets used up allocations will be made from=
Class A
>space). There are only three /8s left in the Class C space.
=09No. Providers who you don't pay to carry your route can reach=
you through
the larger aggregate. In fact, even the /24 requirement can be=
ignored if all
your providers reach each other directly or can convince their=
transit
providers to carry smaller routes.
=09DS
