/25's prefixes announced into global routing table?
Majdi S. Abbas
msa at latt.net
Fri Jun 21 20:14:07 UTC 2013
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.
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.
You couldn't even consider such a thing until after that pain
point.
--msa
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