Although the exact solution for the mean waiting time in the M/H2/s queue exists, it requires advanced
programming skills and processing capacity. In most engineering problems the offered traffic and its features are
known with a certain degree of uncertainty (e.g. traffic is predicted, traffic is not clearly Poisson, etc). In such
environments where perfect accuracy is not required, approximations are often used to estimate the performance.
For engineering applications, the easiness to compute the estimate is a key factor. The contribution of this paper is a
new closed formula to estimate the mean waiting time in the M/H2
b/s queue. The formula is easy to compute and
accurate. In contrast with the already existing approximations, the one presented here keeps its validity for mediumhigh
coefficients of variation.
CitationBarceló, F. "An engineering approximation for the mean waiting time in M/H2b/s queue", International network optimization conference (INOC’03), Evry, 2003
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