Resource Sharing with Subexponential Distributions

  title={Resource Sharing with Subexponential Distributions},
  author={Predrag R. Jelenkovic and Petar Momcilovic},
We investigate the distribution of the waiting time V in an M/G/1 processor sharing queue with traffic intensity ρ < 1. This queue represents a baseline model for evaluating efficient and fair network resource sharing algorithms, e.g. TCP flow control. When the distribution of job size B belongs to a class of subexponential distributions with tails heavier than e− √ , it is shown that as x → ∞ P[V > x] = P[B > (1 − ρ)x](1 + o(1)). Furthermore, we demonstrate that the preceding relationship does… CONTINUE READING
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