[133389] in North American Network Operators' Group
Re: Start accepting longer prefixes as IPv4 depletes?
daemon@ATHENA.MIT.EDU (Owen DeLong)
Wed Dec 8 18:40:04 2010
From: Owen DeLong <owen@delong.com>
In-Reply-To: <7F68D58A-BB7C-4485-B640-0CFE8A568EFA@muada.com>
Date: Wed, 8 Dec 2010 15:36:15 -0800
To: Iljitsch van Beijnum <iljitsch@muada.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Dec 8, 2010, at 3:08 PM, Iljitsch van Beijnum wrote:
> On 8 dec 2010, at 23:48, Jack Bates wrote:
>=20
>> I'm going to go out on a limb (and not read the last BGP summary =
reports) and say that ISPs being assigned fragmented space has caused =
more routing table bloat than deaggregation for traffic engineering.
>=20
> Why would ISPs get fragmented space? The RIRs are still getting /8s =
from IANA at the moment.
>=20
Because ISPs get multiple blocks over years from RIRs and don't return =
their old small block and
renumber into a new large one.
> And most deaggregation is not for traffic engineering because the =
attributes are all the same.
Which would support the above statement.
Owen
