Credit-Based Flow Control for ATM Networks Revisited

Joseph B. Evans, Luiz Dasilva, Hongbo Zhu, Victor S. Frost

University of Kansas

Experiments with No Flow Control

  • TCP and UDP streams to single receiver
  • hosts A and B are local, 100 km link to C

    • Results

  • performance with multiple TCP streams not terrible
  • malicious UDP streams dominate well-behaved TCP streams
    • Scenario C-A Throughput B-A Throughput Aggregate
    C-A TCP, B-A TCP 57.01 Mb/s 40.45 Mb/s 97.46 Mb/s
    C-A TCP, B-A UDP 9.47 Mb/s 78.54 Mb/s 88.01 Mb/s
    C-A UDP, B-A UDP 4.11 Mb/s 5.65 Mb/s 9.76 Mb/s

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    Send comments to Joseph B. Evans, <evans@eecs.ku.edu> .