Admission control of multi-class traffic with service priorities in high-speed networks

V. G. Kulkarni, N. Gautam

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


We consider a fluid model of a system that handles multiple classes of traffic. The delay and cell-loss requirements of the different classes of traffic are generally widely different and are achieved by assigning different buffers for different classes, and serving them in a strict priority order. We use results from the effective bandwidth of the output processes (see Chang and Thomas (1995)) to derive simple and asymptotically exact call-admission policies for such a system to guarantee the cell-loss requirements for the different classes assuming that each source produces a single class traffic. We compare the admission-control policies developed here with the approximate policy studied by Elwalid and Mitra (1995) for the case of two-class traffic.

Original languageEnglish (US)
Pages (from-to)79-97
Number of pages19
JournalQueueing Systems
Issue number1-2
StatePublished - Dec 1997
Externally publishedYes


  • Chernoff dominant eigenvalue
  • Effective bandwidth
  • Fluid-flow models
  • Multi-priority traffic
  • Quality-of-service

ASJC Scopus subject areas

  • Statistics and Probability
  • Computer Science Applications
  • Management Science and Operations Research
  • Computational Theory and Mathematics


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