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1 results

  • Cell loss asymptotics for buffers fed with a large number of independent stationary sources

  • Part of
  • Nikolay Likhanov, Ravi R. Mazumdar
  • Journal:
    Journal of Applied Probability / Volume 36 / Issue 1 / March 1999
    Published online by Cambridge University Press:
    14 July 2016, pp. 86-96
    Print publication:
    March 1999

  • In this paper we derive asymptotically exact expressions for buffer overflow probabilities and cell loss probabilities for a finite buffer which is fed by a large number of independent and stationary sources. The technique is based on scaling, measure change and local limit theorems and extends the recent results of Courcoubetis and Weber on buffer overflow asymptotics. We discuss the cases when the buffers are of the same order as the transmission bandwidth as well as the case of small buffers. Moreover we show that the results hold for a wide variety of traffic sources including ON/OFF sources with heavy-tailed distributed ON periods, which are typical candidates for so-called ‘self-similar’ inputs, showing that the asymptotic cell loss probability behaves in much the same manner for such sources as for the Markovian type of sources, which has important implications for statistical multiplexing. Numerical validation of the results against simulations are also reported.