Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/115588
Title: Analysis of demand-priority access using a priority queue with server vacations and message dependent switchover times
Authors: Seah, W.K.-G. 
Takahashi, Y.
Hasegawa, T.
Issue Date: 1998
Citation: Seah, W.K.-G.,Takahashi, Y.,Hasegawa, T. (1998). Analysis of demand-priority access using a priority queue with server vacations and message dependent switchover times. Telecommunication Systems 10 (3-4) : 243-268. ScholarBank@NUS Repository.
Abstract: In this paper, we analyse the message waiting times in a local area network (LAN) that uses the demand-priority access method. This is a priority-based round-robin arbitration method where the central controller (the repeater) polls its connected ports to determine which have transmission requests pending and the requests' priority classes. We model it as a 2-priority M/G/1 queue with multiple server vacations and switchover time between service periods. The service discipline is nonpreemptive and the length of the switchover time is dependent upon the priority class of the preceding message served as well as that of the message to be served next. We provide an approximate analysis for the waiting times of both message classes and derive expressions for the Laplace-Stieltjes transforms (LST) of the stationary distributions and the mean waiting times. We conclude with numerical and simulation results to show the applicability and accuracy of the analytical model. © J.C. Baltzer AG, Science Publishers.
Source Title: Telecommunication Systems
URI: http://scholarbank.nus.edu.sg/handle/10635/115588
ISSN: 10184864
Appears in Collections:Staff Publications

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