An integral equation approach to the M/G/2 queue

An integral equation approach to the M/G/2 queue

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Article ID: iaor19911383
Country: United States
Volume: 38
Issue: 3
Start Page Number: 189
End Page Number: 195
Publication Date: May 1990
Journal: Operations Research
Authors: , , ,
Abstract:

The authors study the stationary distribution of the number of customers in M/G/2 queueing systems. The two servers are allowed to have different service time distributions. They include the elapsed service times of the customers presently served as supplementary variables and obtain the forward equations satisfied by the joint stationary distribution of the number of customers and the elapsed service times. Using a sequence of transformations, the authors reduce the problem of determining the marginal probabilities of the number of customers present to the solution of a pair of coupled integral equations. When the servers are identical, only a single integral equation must be solved. The solution of the integral equation(s), and with it the stationary distribution of the number of customers, is constructed for several specific service time densities (e.g., Erlang, hyperexponential, and deterministic).

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