AS-level topology collection through looking glass servers

  • Authors:
  • Akmal Khan;Taekyoung Kwon;Hyun-chul Kim;Yanghee Choi

  • Affiliations:
  • Seoul National University, Seoul, South Korea;Seoul National University, Seoul, South Korea;Sangmyung University, Seoul, South Korea;Seoul National University, Seoul, South Korea

  • Venue:
  • Proceedings of the 2013 conference on Internet measurement conference
  • Year:
  • 2013

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Abstract

While accurate and complete modeling of the Internet topology at the Autonomous System (AS) level is critical for future protocol design, performance evaluation, simulation and analysis, still it remains a challenge to construct its accurate representation. In this paper, we collect BGP route announcements of ASes from Looking glass (LG) servers. By querying LG servers, we build an AS topology estimate of around 116 K AS links, from which we discover 11 K new AS links and 686 new ASes. We conclude that collecting BGP traces from LG servers can help enhance the current view of the AS topology from the BGP collector projects (e.g., RouteViews).