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

Authors:
V. G. Kulkarni;N. Gautam
Affiliations:
Department of Operations Research, University of North Carolina, Chapel Hill, NC 27599-3180, USA E-mail: &lcub/vg&lowbar/kulkarni&semi/gautam&rcub/@unc.edu;Department of Operations Research, University of North Carolina, Chapel Hill, NC 27599-3180, USA E-mail: &lcub/vg&lowbar/kulkarni&semi/gautam&rcub/@unc.edu
Venue:
Queueing Systems: Theory and Applications
Year:
1997

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Abstract

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.