Re: FW: /8s and filtering

[David Schwartz <davids () webmaster com>]

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.

        No. 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.

        DS