Letter to the Editor---Queues with “Exponential-Type” Service-Time Distributions

Thomas L. Healy
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Thomas L. Healy: Ballistic Missile Division, U.S. Air Force, Los Angeles, California

Operations Research, 1960, vol. 8, issue 5, 719-721

Abstract: This letter describes the use of the expected number of units in the system (i.e., queue plus service facility) as a criterion to determine under what conditions a k -Erlang or hyper-exponential service-time distribution provides a better model than the negative exponential distribution. The models to be considered are those for a single service facility with Poisson distributed arrivals under steady-state conditions and with infinite queues permitted.

Date: 1960
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