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Individual Sojourn Delay Analysis of an ATM Switch Receiving Heterogeneous Markov-Modulated Bernoulli Processes under FIFO and Priority Service Disciplines

Wei-Chung MIAO, Jin-Fu CHANG

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Summary :

In this paper, we analyze the individual sojourn delay experienced by cells from each virtual channel (VC) passing through an ATM switch port. Traffic from each VC is described by a four-parameter Markov-Modulated Bernoulli process (MMBP). A switch port is assumed to receive traffic from a group of heterogeneous MMBPs and the queueing behavior is modelled by a H-MMBPs/D/1/ queue. Two service disciplines are considered: FIFO and priority. Closed-form formulas of overall as well as individual sojourn delays for both service disciplines are obtained. Although approximation is inevitable in our analysis, the accuracy is good when compare with computer simulations. As a result we provide an efficient tool to estimate cell delay for each individual VC before it is established. Our result can be applied to network resource decision or control problems such as call admission control and routing.

Publication
IEICE TRANSACTIONS on Communications Vol.E80-B No.5 pp.712-725
Publication Date
1997/05/25
Publicized
Online ISSN
DOI
Type of Manuscript
Category
Switching and Communication Processing

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