(Un)-Stable Routing in the Internet: A Survey from the Algorithmic Perspective

  • Authors:
  • Luca Cittadini;Giuseppe Battista;Massimo Rimondini

  • Affiliations:
  • Roma Tre University,;Roma Tre University,;Roma Tre University,

  • Venue:
  • Graph-Theoretic Concepts in Computer Science
  • Year:
  • 2008

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Abstract

The Internet is a huge and complex network in which Internet Service Providers (ISPs) compete for revenue. In order to support the establishment of commercial agreements, routing in the Internet must therefore allow each ISP to autonomously set up its own routing policies while ensuring global connectivity. The Border Gateway Protocol (BGP) allows to achieve both these goals, and is the currently adopted protocol for Internet routing. It can be shown that the interaction of not-so-unlikely BGP configurations adopted at different ISPs can cause permanent oscillations of routing. Several models and algorithms have been proposed in the literature to study routing oscillations. The goal of this paper is to provide a survey of state of the art contributions in this field with an emphasis on the algorithmic aspects.