[143834] in North American Network Operators' Group

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Re: Announcement of University of Washington routing study

daemon@ATHENA.MIT.EDU (Patrick W. Gilmore)
Thu Aug 18 20:39:10 2011

In-Reply-To: <CAGvYMCqrw+LciM+eEAEcHqrigGnJWxLvF5OdUkgWU+_YD+Lw-A@mail.gmail.com>
From: "Patrick W. Gilmore" <patrick@ianai.net>
Date: Thu, 18 Aug 2011 20:38:21 -0400
To: Ethan Katz-Bassett <ethan@cs.washington.edu>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On behalf of the community, if I may be so bold (and I'm sure others will sp=
eak up if they disagree), thank you for the notice of this experiment.

Also, thank you for doing the research.

--=20
TTFN,
patrick

On Aug 18, 2011, at 19:32, Ethan Katz-Bassett <ethan@cs.washington.edu> wrot=
e:

> Hi NANOG,
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> =46rom August 24 to October 4, the University of Washington and Georgia Te=
ch
> will conduct an Internet routing study using AS-PATH poisoning.  The study=

> will *only* affect the Georgia Tech experimental prefix
> 184.164.224.0/19(and its sub-prefixes).  The prefix serves *no active
> users/services* so the
> study should not affect any production prefixes or users.  We plan to inse=
rt
> AS numbers into our announcements to route around some networks.  We will
> always start AS-PATHs with our own ASN 47065.  We will limit ourselves to a=
t
> most 10 announcement changes per hour (and generally will change the
> announcement for a given sub-prefix at most every 90 minutes).
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> This experiment is almost identical to one that Georgia Tech conducted in
> June and July without problems or complaints
> (http://mailman.nanog.org/pipermail/nanog/2011-June/037527.html), so we do=

> not anticipate any issues.  Others have done similar studies in the past
> (e.g., Randy Bush et al.:
> http://www.psg.com/~olaf/measurements/as3130/visibility.pdf<http://www.goo=
gle.com/url?sa=3DD&q=3Dhttp://www.psg.com/~olaf/measurements/as3130/visibili=
ty.pdf>).
> If, for any reason, you want us not to include your ASN in announcements f=
or
> our prefix, please opt-out at any time before August 24 at:
> http://www.surveymonkey.com/s/9P2TD7T .  A few ASes opted out of the
> previous Georgia Tech study, and we will continue to honor those opt-outs.=

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> Please feel free to contact me directly with any questions.
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>=20
> Cheers,
>=20
> Ethan Katz-Bassett
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> http://www.cs.washington.edu/homes/ethan/
>=20
> University of Washington
>=20


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