Pseudo-rate TCP: a congestion avoidance scheme with nearly optimized fairness and throughput

  • Authors:
  • J.-R Chen;Y.-C Chen

  • Affiliations:
  • Department of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu 30056, Taiwan;Department of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu 30056, Taiwan

  • Venue:
  • Computer Communications
  • Year:
  • 1999

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Abstract

As the bandwidth requirement on the Internet grows, the efficiency of networking protocol becomes an important concern. This paper proposes a so-called pseudo-rate TCP, which features both better fairness and higher throughput than TCP Vegas by exponentially increasing the window size to a derived bound. The pseudo-rate TCP avoids the typical problem that sources with shorter round-trip times always get better chance in allocating the bandwidth. We discuss two key mechanisms designed for pseudo-rate TCP, and compare its performance with TCP Vegas through system simulation.