[55361] in North American Network Operators' Group
Re: Level3 routing issues?
daemon@ATHENA.MIT.EDU (cowie@renesys.com)
Mon Jan 27 20:56:59 2003
From: cowie@renesys.com
To: dga@lcs.mit.edu (David G. Andersen)
Date: Tue, 28 Jan 2003 01:56:22 +0000 (GMT)
Cc: griffin@research.att.com (Tim Griffin), haesu@towardex.com (hc),
nanog@merit.edu, jperez@numind.net (Joel Perez),
alex@nac.net (Alex Rubenstein), heas@shrubbery.net,
llynch@darkwing.uoregon.edu, joelja@darkwing.uoregon.edu
In-Reply-To: <20030128000446.GA41386@lcs.mit.edu> from "David G. Andersen" at Jan 27, 2003 07:04:46 PM
Errors-To: owner-nanog-outgoing@merit.edu
> > here's a plot showing the impact on BGP routing tables from seven ISPs
> > (plotted using route-views data):
> > http://www.research.att.com/~griffin/bgp_monitor/sql_worm.html
>
> And as an interesting counterpoint to this, this graph shows
> the number of BGP routing updates received at MIT before, during,
> and after the worm (3 day window). Tim's plots showed that the
> number of actual routes at the routers he watched was down
> significantly - these plots show that the actual BGP traffic
> was up quite a bit. Probably the withdrawals that were taking
> routes away from routeviews...
>
> http://nms.lcs.mit.edu/~dga/sqlworm.html
>
> -Dave
Wow, for a minute I thought I was looking at one of our old plots,
except for the fact that the x-axis says January 2003 and not
September 2001 :) :)
Your plot is consistent with what we saw on Saturday as well. Looks
much like a "little Nimda."
Blast from the past:
http://www.renesys.com/projects/bgp_instability
--jim
----------
James Cowie
Renesys Corporation
http://gradus.renesys.com
