Source time scale and optimal buffer/bandwidth trade-off for regulated traffic in an ATM node

Francesco Lo Presti, Zhi Li Zhang, Jim Kurose, Don Towsley

Research output: Contribution to journalConference articlepeer-review

28 Scopus citations

Abstract

In this paper, we study the problem of resource allocation and control for an ATM node with regulated traffic. Both guaranteed lossless service and statistical service with small loss probability are considered. We investigate the relationship between source characteristics and the buffer/bandwidth trade-off under both services. Our contributions are the following. For guaranteed lossless service, we find that the optimal resource allocation scheme suggests a time scale separation of sources sharing an ATM node with finite bandwidth and buffer space, with the optimal buffer/bandwidth trade-off is determined by the sources' time scale. For statistical service with a small loss probability, we present a new approach for estimating the loss probability in a shared buffer multiplexor with the so called `extremal' on-off, periodic sources. Under this approach, the optimal resource allocation for statistical service is achieved by maximizing both the benefits of buffering sharing and bandwidth sharing. The optimal buffer/bandwidth trade-off is again determined by time scale separation.

Original languageEnglish (US)
Pages (from-to)675-682
Number of pages8
JournalProceedings - IEEE INFOCOM
Volume2
StatePublished - Dec 1 1997
EventProceedings of the 1997 16th IEEE Annual Conference on Computer Communications, INFOCOM. Part 1 (of 3) - Kobe, Jpn
Duration: Apr 7 1997Apr 12 1997

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