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Vasileios Giotsas

29 Jul, 2010 10:03 PM
Uncovering Remote Peering at IXPs by Vasileios Giotsas — last modified 12 Dec, 2018 04:14 PM

Internet Exchange Points (IXPs) originally aimed to keep local traffic local and reduce dependence on third parties. However, ever-increasing traffic volumes create pressure for denser and more diverse peering that challenges the traditional IXP model. A fundamental shift in peering practices is Remote Peering (RP): networks may establish remote or indirect peering connections at IXPs, either over a ‘long cable’ (owned or leased) or over resellers that provide both IXP ports and Layer-2 access. RP has fired up a heated debate within the operators’ community about its effects on Internet economics, resilience and performance. Currently, we lack the tools to identify remote members and the implications of RP. To bridge this gap, we developed and tested a methodology to accurately identify RP, aiming to enable a more transparent peering ecosystem.