A Two-Moment Approximation for the Mean Waiting Time in theGI/G/sQueue
Management Science · 1986 · Volume 32 · Issue 6
Abstract
We provide a simple two-moment approximation formula for the mean waiting time in a GI / G / s queue. This formula has the form of a certain combination of the exact mean waiting times for the D / M / s , M / D / s and M / M / s queues, and hence it can be easily calculated by using some queueing tables. The quality of the approximation is tested by comparing it with known solutions in particular cases.
Keywords
GI/G/s queue, mean waiting time, two-moment approximation, interpolation approximation
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