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Visualizing Internet Topology Dynamics with Cyclops

Visualizing Internet Topology Dynamics with Cyclops. Ricardo Oliveira,Ying-Ju Chi, Ioannis Pefkianakis, Mohit Lad, Lixia Zhang University of California, Los Angeles. Speaker: Ricardo Oliveira rveloso@cs.ucla.edu. Why Visualizing Topology Dynamics?.

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Visualizing Internet Topology Dynamics with Cyclops

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  1. Visualizing Internet Topology Dynamics with Cyclops Ricardo Oliveira,Ying-Ju Chi, Ioannis Pefkianakis, Mohit Lad, Lixia Zhang University of California, Los Angeles Speaker: Ricardo Oliveira rveloso@cs.ucla.edu

  2. Why Visualizing Topology Dynamics? “Can someone tell me if there are any tools on the net we can use to evaluate ISP X as a possible Tier 1 peer?” Post @ Nanog mailing list, 5/14/2007 • One approach is to understand how connectivity of an ISP is changing over time • E.g. has ISP X been loosing customers recently? • helps in making intelligent choices about who to connect to

  3. What to visualize • Changes in AS nodes and AS-links • When • Where • Challenge: scaling the visualization • We developed Cyclops • Starting with a specific AS and its neighbors • Display connectivity changes over time • Selectively display connectivity of other ASes

  4. Our data sources • BGP routing tables + updates: Route Views, RIPE, Abilene, CERNET • Route Servers: Packet Clearing House, UC Riverside, traceroute.org, Route Server Wiki • Looking Glasses: traceroute.org, Looking Glass Wiki The more the better: if you store your BGP feeds and make them available please let me know!

  5. Cyclops user interface Peerings lost New peerings New AS Timeline Dead AS Starting point “cyclops eye”

  6. Case #1: Cogent depeerings thickness ~ link age April 2007 Cyclops shows how connectivity is changing over time

  7. Case #2: Correlating changes Y Z X thickness ~ # routes carried Link age and relative age Cyclops enables visual correlation of events across space

  8. Your input is most appreciated! • Grab me afterwards • Play with our prototype • Tell me what features you like, what you don't, what you want to see added • Planning on a beta release of the tool by September 2007

  9. Send all questions and comments to rveloso@cs.ucla.edu Thanks!

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