An improved interval routing scheme for almost all networks based on dominating cliques

  • Authors:
  • Martin Nehéz;Daniel Olejár

  • Affiliations:
  • Department of Computer Science and Engineering, FEE CTU Prague, Praha 2, Czech Republic;Department of Computer Science, FMPI, Comenius University in Bratislava, Bratislava, Slovak Republic

  • Venue:
  • ISAAC'05 Proceedings of the 16th international conference on Algorithms and Computation
  • Year:
  • 2005

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Abstract

Motivated by the peer-to-peer content sharing systems in large-scale networks, we will study interval routing schemes in Erdös-Rényi random graphs. C. Gavoille and D. Peleg [13] posed an open question of whether almost all networks support a shortest-path interval routing scheme with 1 interval. In this paper, we answer this question partially by proving that in almost all networks, there is an interval routing scheme with 1 interval up to additive stretch 2. Our proof is based on the properties of dominating cliques in random graphs.