[92826] in North American Network Operators' Group
Re: Aggregation & path information [was: 200K prefixes - Weekly Routing Table Report]
daemon@ATHENA.MIT.EDU (Paul Vixie)
Sat Oct 14 11:11:00 2006
To: nanog@merit.edu
From: Paul Vixie <vixie@vix.com>
Date: 14 Oct 2006 15:09:56 +0000
In-Reply-To: <48E02D50-1963-44DA-99E4-D42B2E9B4B6F@ianai.net>
Errors-To: owner-nanog@merit.edu
patrick@ianai.net ("Patrick W. Gilmore") writes:
> Obviously the table contains kruft. But I know we could not shrink
> it to 109K prefixes without losing something from where I sit. Are
> you sure there's no additional path info?
before we could be sure that an aggregation proposal was nondestructive,
we'd have to model it from where a lot of people sit, not just patrick.
on the one hand this seems to be a useful endeavour. in addition to
measuring the total number of routes, we probably ought to measure the
number of non-TE-related routes, and focus our attention on those routes
and also the ratio ("global TE cost borne by the routing system.")
on the other hand i dispair of finding a set of observation posts and
metrics that will abstract TE out of the observed routes in a way that
wouldn't be seen as controversial or useless by most of the community.
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