Window-Games between TCP Flows

  • Authors:
  • Pavlos S. Efraimidis;Lazaros Tsavlidis

  • Affiliations:
  • Department of Electrical and Computer Engineering, Democritus University of Thrace, Xanthi, Greece 67100;Department of Electrical and Computer Engineering, Democritus University of Thrace, Xanthi, Greece 67100

  • Venue:
  • SAGT '08 Proceedings of the 1st International Symposium on Algorithmic Game Theory
  • Year:
  • 2008

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Abstract

We consider network congestion problems between TCP flows and define a new game, the Window-game, which models the problem of network congestion caused by the competing flows. Analytical and experimental results show the relevance of the Window-game to the real TCP game and provide interesting insight on Nash equilibria of the respective network games. Furthermore, we propose a new algorithmic queue mechanism, called Prince, which at congestion makes a scapegoat of the most greedy flow. Preliminary evidence shows that Prince achieves efficient Nash equilibria while requiring only limited computational resources.