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An output buffered ATM switch with a two-class priority discarding scheme

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1 Author(s)
Jian Ma ; Nokia Res. Center, Helsinki, Finland

Since services require different quality of service (QOS) an ATM switch must be capable of handling the requirements of different QOSs. In earlier studies, two-class priority schemes in a knockout switch (KS) and a group-output knockout switch (GKS) were introduced. In these priority schemes, the switches achieve very low cell loss probability of high-priority cells, even for arbitrarily large N, while the priority GKS achieves a much lower cell loss probability of high-priority cells than the priority KS, for the same cell loss probability of low-priority cells. We derive the cell loss probabilities of the priority switches and give some simulation results which agree with the analysis results for independent Bernoulli traffic. In addition, a reference parameter of the switch complexity is given to compare the switch utilization

Published in:

Communication Technology Proceedings, 1996. ICCT'96., 1996 International Conference on

Date of Conference:

5-7 May 1996