On the Distribution of Round-Trip Delays in TCP/IP Networks

  • Authors:
  • Tamas Elteto;Sandor Molnar

  • Affiliations:
  • -;-

  • Venue:
  • LCN '99 Proceedings of the 24th Annual IEEE Conference on Local Computer Networks
  • Year:
  • 1999

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Abstract

TCP traffic round-trip delay measurements have been carried out in the Ericsson Corporate Network. Based on these data a comprehensive analysis has been performed to identify basic state changes in the network and to find the parametric distribution of the round-trip delay. The main finding of our research is that the round-trip delay can be well approximated by a truncated normal distribution. A method for parameter setting with the statistical tests for validation is also presented. Finally, we discuss the possible explanations of this result.