On the performance of multiplexing independent regulated inputs

  • Authors:
  • Cheng-Shang Chang;Yuh-ming Chiu;Wheyming Tina Song

  • Affiliations:
  • Institute of Communication Engineering, National Tsing Hua University, Hsinchu, Taiwan 300, R.O.C.;Institute of Communication Engineering, National Tsing Hua University, Hsinchu, Taiwan 300, R.O.C.;Department of Industrial Engineering and Engineering Management, National Tsing Hua University, Hsinchu, Taiwan 300, R.O.C.

  • Venue:
  • Proceedings of the 2001 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
  • Year:
  • 2001

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Abstract

In this paper, we consider the performance analysis problem for a work conserving link with a large number of independent regulated inputs. For such a problem, we derive simple stochastic bounds under a general traffic constraint for the inputs. The bound for queue length is shown to be a stochastic extension of the deterministic worst case bound and it is asymptotically tighter than the bound in Kesidis and Konstantopoulos [23]. We also test the bound by considering periodic inputs with independent starting phases. Based on Sanov's theorem and importance sampling, we propose a fast simulation algorithm that achieves significant variance reduction. The simulations results are compared with our stochastic bound and the bound in [23].