[162921] in North American Network Operators' Group

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Traffic shaping going on?

daemon@ATHENA.MIT.EDU (Ray Wong)
Wed May 8 10:58:07 2013

Date: Wed, 8 May 2013 07:54:53 -0700
From: Ray Wong <rayw@rayw.net>
To: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Doesn't seem directly correlated with outages, and everything seems to be
working ok, but I'm seeing about a 20-30% shift in flows from AS7792 to
AS3356. Seems unlikely that many ISPs have suddenly turned up a level3 link
on the same day/hour, and performance metrics all seem normal. I confess
I've had to turn my attention away from network issues to
systems/DB/security ones lately, so I may have missed something. Anyone
else seeing fairly significant next hop shifts over the previous 24 hours?
All of yesterdays major outages I was sort of suspecting seem to have been
resolved without correlating shifts back.

-R>

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