Achieving moderate fairness for UDP flows by path-status classification

  • Authors:
  • Y. Tobe;Y. Tamura;A. Molano;S. Ghosh;H. Tokuda

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • LCN '00 Proceedings of the 25th Annual IEEE Conference on Local Computer Networks
  • Year:
  • 2000

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Abstract

We propose a scheme of rate control for continuous UDP flow with moderate fairness. First, per-packet relative one-way trip time (ROTT) of a UDP stream at a receiver on the Internet is investigated extensively, and it is found that spikes with successive plots, which we call spike-trains, often appear on a time-ROTT graph. Also, congestion-related losses are found to be strongly correlated only to the spike-trains and the path status is effectively identified by such spike-trains. Based on these observations, a rate control with moderate fairness using the path-status, PAth-STatus-based RAte control (PASTRA), is presented. The effectiveness of PASTRA in achieving moderate fairness for UDP streams on the Internet is demonstrated.