Expected delay analysis of polling systems in heavy traffic

Expected delay analysis of polling systems in heavy traffic

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Article ID: iaor19992667
Country: United Kingdom
Volume: 30
Issue: 2
Start Page Number: 586
End Page Number: 602
Publication Date: Jun 1998
Journal: Advances in Applied Probability
Authors: ,
Keywords: polling systems
Abstract:

We study the expected delay in a cyclic polling model with mixtures of exhaustive and gated service in heavy traffic. We obtain closed-form expressions for the mean delay under standard heavy-traffic scalings, providing new insights into the behaviour of polling systems in heavy traffic. The results lead to excellent approximations of the expected waiting times in practical heavy-load scenarios and moreover, lead to new results for optimizing the system performance with respect to the service disciplines.

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