[151076] in North American Network Operators' Group
Re: filtering /48 is going to be necessary
daemon@ATHENA.MIT.EDU (Owen DeLong)
Sat Mar 10 19:52:26 2012
From: Owen DeLong <owen@delong.com>
In-Reply-To: <4F5BEB06.3010805@bogus.com>
Date: Sat, 10 Mar 2012 16:47:24 -0800
To: Joel jaeggli <joelja@bogus.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mar 10, 2012, at 4:00 PM, Joel jaeggli wrote:
> On 3/10/12 14:47 , Sven Olaf Kamphuis wrote:
>> let's say, there is 6 billion people in the world.. if they all have =
1
>> route table entry (average ;) i see no technical limitations on =
anything
>> produced AFTER 2008 actually.
>=20
> Over in ipv4 land there are ~40k entities that appear in the dfz
> internet... Of those somewhat less than half (16k) announce just one
> prefix. The top 30 ASes by route count on the other hand are 10% of =
the
> table.
>=20
> I don't a see a problem with the small guys. I don't see the little =
guys
> as a source of fib scaling problem becuase oddly enough they aren't.
>=20
> The actors causing the most impact on the size of my fib are by in =
large
> on this mailing list...
>=20
> joel
I expect that many of those are not nearly as likely to create as many =
routes in IPv6.
Hence my belief that the problem is generally solved for some time to =
come once we can stop carrying the bloated obsolete IPv4 table for =
legacy support.
Owen
