> Date: Fri, 21 Jun 2013 16:14:07 -0400 > From: "Majdi S. Abbas" <m...@latt.net> > > 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
There are techniques to fix that. For example, Simple Virtual Aggregation http://tools.ietf.org/html/rfc6769 -- Jakob Heitz.
