Reliability analysis of the retrial queue with server breakdowns and repairs

Reliability analysis of the retrial queue with server breakdowns and repairs

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Article ID: iaor20041272
Country: Netherlands
Volume: 38
Issue: 4
Start Page Number: 363
End Page Number: 380
Publication Date: Aug 2001
Journal: Queueing Systems
Authors: ,
Keywords: quality & reliability
Abstract:

Retrial queues have been widely used to model many problems arising in telephone switching systems, telecommunication networks, computer networks and computer systems, etc. It is of basic importance to study reliability of retrial queues with server breakdowns and repairs because of limited ability of repairs and heavy influence of the breakdowns on the performance measure of the system. However, so far the repairable retrial queues are analyzed only by queueing theory. In this paper we give a detailed analysis for reliability of retrial queues. By using the supplementary variables method, we obtain the explicit expressions of some main reliability indexes such as the availability, failure frequency and reliability function of the server. In addition, some special queues, for instance, the repairable M/G/1 queue and repairable retrial queue can be derived from our results. These results may be generalized to the repairable multi-server retrial models.

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