Analysis of two queues in parallel with jockeying and restricted capacities |
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Authors: | A.M.K. Tarabia |
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Affiliation: | Mathematics Department, Damietta Faculty of Science, Mansoura University, New Damietta, Egypt |
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Abstract: | In this paper, we present two parallel queues with jockeying and restricted capacities. Each exponential server has its own queue, and jockeying among the queues is permitted. The capacity of each queue is restricted to L including the one being served. Customers arrive according to a Poisson process and on arrival; they join the shortest feasible queue. Moreover, if one queue is empty and in the other queue, more than one customer is waiting, then the customer who has to receive after the customer being served in that queue is transferred to the empty queue. This will prevent one server from being idle while the customers are waiting in the other queue. Using the matrix-analytical technique, we derive formulas in matrix form for the steady-state probabilities and formulas for other performance measures. Finally, we compare our new model with some of Markovian queueing systems such as Conolly’s model [B.W. Conolly, The autostrada queueing problems, J. Appl. Prob. 21 (1984) 394–403], M/M/2 queue and two of independent M/M/1 queues for the steady state solution. |
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Keywords: | Steady state solution Shortest queue Jockeying Single server queue |
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