[140272] in North American Network Operators' Group
RE: Current recommendations for 2 x full bgp feed
daemon@ATHENA.MIT.EDU (Justin M. Streiner)
Sat May 7 17:51:45 2011
Date: Sat, 7 May 2011 17:51:35 -0400 (EDT)
From: "Justin M. Streiner" <streiner@cluebyfour.org>
To: George Bonser <gbonser@seven.com>
In-Reply-To: <5A6D953473350C4B9995546AFE9939EE0C9E3151@RWC-EX1.corp.seven.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sat, 7 May 2011, George Bonser wrote:
> Things are about to get very different very quickly. Assuming by full
> BGP feed you mean both IPv4 and IPv6, you are soon going to need
> something that takes >500,000 routes. There are two reasons for this.
> First as the larger blocks of v4 space become unavailable due to runout,
> allocations of space will likely come as crumbs of smaller space. For
> example if someone requests a /16 they might get an equal amount of
> space in a bundle of smaller blocks that are not contiguous and can't be
> aggregated. This is going to lead to an explosion of routes in the v4
> table.
This is already starting to happen. Starting in February, shortly after
the last of the free IPv4 /8s were allocated, my historical graphs of the
v4 and v6 routes we receive shows a slight, but noticeable uptick in
growth rate.
