Re: /25's prefixes announced into global routing table?

[Masataka Ohta <mohta () necom830 hpcl titech ac jp>]

Majdi S. Abbas wrote:

> On Fri, Jun 21, 2013 at 01:56:02PM -0600, Michael McConnell wrote:
> > As the IPv4 space get smaller and smaller, does anyone think we'll see
> > a time when /25's will be accepted for global BGP prefix announcement.
> > The current smallest size is a /24 and generally ok for most people, but
> > the crunch gets tighter, routers continue to have more and more ram will
> > it always be /24 the smallest size?
>
>       RAM != FIB.

For /24, cheap 16M entry SRAM == FIB

>       The forwarding hardware is generally going to be the limit, and
> that's going to be painful enough as we approach a half million
> prefixes.

True. And that's why we must avoid IPv6.

                                                Masataka Ohta