Enhanced congestion control algorithm for high-speed TCP

  • Authors:

  • Young-Soo Choi;Sung-Hyup Lee;You-Ze Cho

  • Affiliations:

  • School of Electrical Engineering and Computer Science, Kyungpook National University, Korea;School of Electrical Engineering and Computer Science, Kyungpook National University, Korea;School of Electrical Engineering and Computer Science, Kyungpook National University, Korea

  • Venue:
  • NPC'05 Proceedings of the 2005 IFIP international conference on Network and Parallel Computing
  • Year:
  • 2005

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Abstract

Current TCP congestion control can be inefficient and unstable in high-speed wide area networks due to its slow response with a large congestion window. Several congestion control proposals have already been suggested to solve these problems. In this paper, we propose a new variant of TCP for a high-speed network, which combines delay-based congestion control with loss-based congestion control. Our simulation results show that the proposed scheme performs better than the existing high-speed TCP protocols in terms of fairness, stability, and scalability, while providing TCP friendliness at the same time.