[75954] in North American Network Operators' Group
Re: 16 vs 32 bit ASNs [Re: BBC does IPv6 ;) (Was: large multi-site
daemon@ATHENA.MIT.EDU (Jeroen Massar)
Mon Nov 29 06:29:29 2004
From: Jeroen Massar <jeroen@unfix.org>
To: Cliff Albert <cliff@oisec.net>
Cc: Pekka Savola <pekkas@netcore.fi>, nanog@merit.edu
In-Reply-To: <20041129111147.GB31116@oisec.net>
Date: Mon, 29 Nov 2004 12:27:50 +0100
Errors-To: owner-nanog-outgoing@merit.edu
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On Mon, 2004-11-29 at 12:11 +0100, Cliff Albert wrote:
> On Mon, Nov 29, 2004 at 08:45:17AM +0200, Pekka Savola wrote:
>=20
> > >Well, how many AS numbers would you like to give out? 30000 in 20 year=
s?=20
> > >100k a year? A million in a month? 32 bits will then give you 2863=20
> > >millennia, 429 centuries or 357 years, respectively.
> >=20
> > ASN exhaustion is IMHO just a symptom of the real problem. Enlarging=20
> > the ASN space does not cure the disease, just makes it worse.
>=20
> And this is exactly my point.
Also, with 32bit ASN's, also expect upto 2^32 routes in your routing
table when each and every ASN would at least send 1 route and of course
there will be ASN's sending multiple routes.
32bits ASN would thus just mean the end of BGP...
Greets,
Jeroen
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