Equation-based congestion control for unicast applications

  • Authors:
  • Sally Floyd;Mark Handley;Jitendra Padhye;Jörg Widmer

  • Affiliations:
  • -;-;-;-

  • Venue:
  • Proceedings of the conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
  • Year:
  • 2000

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Abstract

This paper proposes a mechanism for equation-based congestion control for unicast traffic. Most best-effort traffic in the current Internet is well-served by the dominant transport protocol, TCP. However, traffic such as best-effort unicast streaming multimedia could find use for a TCP-friendly congestion control mechanism that refrains from reducing the sending rate in half in response to a single packet drop. With our mechanism, the sender explicitly adjusts its sending rate as a function of the measured rate of loss events, where a loss event consists of one or more packets dropped within a single round-trip time. We use both simulations and experiments over the Internet to explore performance.