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