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Multi-exit discriminator game for BGP routing coordination

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Abstract

Inter-Autonomous System (AS) links represent nowadays the real bottleneck of the Internet. Internet carriers may coordinate to efficiently balance the load, but the current practice is often based on an uncoordinated selfish routing. Firstly, we assess this issue by characterizing BGP route deviations across top-tier interconnections we could detect using recent Internet routing history data. Then, in order to improve the current practice, we present a novel game-theoretical framework to efficiently coordinate the routing on inter-AS links while modeling the non-cooperative carrier behavior. It relies on a coordinated use of the Multi-Exit Discriminator (MED) attribute of BGP, hence it is nicknamed ClubMED (Coordinated MED). We define the routing policy that shall be implemented upon Nash equilibria and Pareto-efficient profiles. We emulated the interconnection between the Internet2 and the Geant2 networks, comparing our proposition to the current BGP practice. The results show that the route stability can significantly be reinforced, the global routing cost can be significantly reduced, and the inter-AS link congestion can be avoided.

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Authors and Affiliations

  1. LIP6, Université Pierre et Marie Curie – Paris VI, 4 place Jussieu, 75005, Paris, France

    Stefano Secci

  2. Télécom ParisTech, LTCI CNRS, Institut Télécom, 23 av. d’Italie, 75013, Paris, France

    Jean-Louis Rougier

  3. DIPTEM, Università di Genova, P. le Kennedy—Pad D, 16129, Genova, Italy

    Fioravante Patrone

  4. Dip. Elettronica e Informazione, Politecnico di Milano, via Ponzio 34/5, 20133, Milano, Italy

    Achille Pattavina & Guido Maier

Authors
  1. Stefano Secci
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  2. Jean-Louis Rougier
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  3. Achille Pattavina
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  4. Fioravante Patrone
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  5. Guido Maier
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Corresponding author

Correspondence to Stefano Secci.

Additional information

A preliminary version of this paper has been published in the 2009 Next Generation Internet Networks (NGI 2009) conference proceedings (best paper award) [20].

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Secci, S., Rougier, JL., Pattavina, A. et al. Multi-exit discriminator game for BGP routing coordination. Telecommun Syst 48, 77–92 (2011). https://doi.org/10.1007/s11235-010-9335-x

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  • DOI: https://doi.org/10.1007/s11235-010-9335-x

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