Hi NANOG, We finished the original study. Since we have been getting some interesting results and nobody has raised any issues, I'd like to continue it for the time being. We will be limiting our announcements to 184.164.240.0/20 (and its sub-prefixes, though generally only up to 184.164.248.0/23), though other researchers may be using other parts of the /19. Please feel free to contact me directly with any questions. Cheers, Ethan Katz-Bassett http://www.cs.washington.edu/homes/ethan/ University of Washington On Thu, Aug 18, 2011 at 4:32 PM, Ethan Katz-Bassett <ethan@cs.washington.edu
wrote:
Hi NANOG,
From August 24 to October 4, the University of Washington and Georgia Tech 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 insert 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 at most 10 announcement changes per hour (and generally will change the announcement for a given sub-prefix at most every 90 minutes).
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.google.com/url?sa=D&q=http://www.psg.com/~olaf/measurements/as3130/visibility.pdf>). If, for any reason, you want us not to include your ASN in announcements for 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.
Please feel free to contact me directly with any questions.
Cheers,
Ethan Katz-Bassett
http://www.cs.washington.edu/homes/ethan/
University of Washington