Technical Note—An Inequality for the Variance of Waiting Time under a General Queuing Discipline
- 1 October 1977
- journal article
- Published by Institute for Operations Research and the Management Sciences (INFORMS) in Operations Research
- Vol. 25 (5) , 879-884
- https://doi.org/10.1287/opre.25.5.879
Abstract
We show that the expected value of any convex function of the waiting time (such as the variance) in a general queuing system under any queuing discipline independent of the service times does not exceed that under the last-come-first-served discipline, and is not less than that under the first-come-first-served discipline.Keywords
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