Public Review for Cyclops: The AS-level Connectivity Observatory Ying-Ju Chi, Ricardo Oliveira, and Lixia Zhang Can you hear the shape of the Internet? If not, can you see it? Perhaps you would be better off if you are a cyclops. Focusing your single eye on a single AS, you would be able to get a clear view of the AS Internet structure and dynamics at this AS point ( pupil ) surrounded by incident AS links ( iris ). Of course, you can refocus, too, but not too fast, or you will get dizzy. This is the idea behind the Internet AS topology visualization tool presented in the following paper. The authors call it Cyclops (http://cyclops.cs.ucla.edu/). They collect AS topology data from a variety of sources (RouteViews, RIPE, route servers, etc.) and provide a per-AS interface to it. The user selects an AS and then can check the connectivity of this AS via either the visualizer or the Web interface showing tables with rows of annotation information per incident AS link. The raw data is also available to use in custom scripts. The AS links are annotated with AS relationships (customer-provider or peerpeer), types of neighboring ASs (Tier-1,
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Cyclops: the AS-level connectivity observatory
Chi, Ying-Ju; Oliveira, Ricardo; Zhang, Lixia
Follow ACM SIGCOMM Computer Communication Review
, Volume 38 (5)
Association for Computing Machinery – Sep 30, 2008
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