Unreliable single server retrial queueing model with repeated vacation

J. Ebenesar Anna Bagyam, P. Suganthi and P. Visali

International Journal of Mathematics in Operational Research, 2023, vol. 26, issue 3, 357-372

Abstract: The steady-state behaviour of a single server retrial queueing model with server breakdown and repeated vacation is analysed. If the server is accessible, the customer gets service immediately; otherwise, the customer waits for his turn. After each service, the server may take a vacation with a certain probability. However, if the system is empty, the server takes repeated vacations until the server finds at least one customer in the system. If the server is prone to breakdown, the repair of the server starts immediately. After the repair, the server continues the service to the same customer. The retrial, service, repair, and vacation times are assumed as arbitrary distributed. The steady-state solutions for various performance measures are determined using the supplementary variable method.

Keywords: retrial queue; repeated vacation; server breakdown; repair; unreliable server; performance measures; numerical analysis; call centre; multiple vacation; supplementary variable technique. (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)

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