Performance implications of very large service-time variances

Daniel P. Heyman

doi:10.1117/12.325873

7 October 1998 Performance implications of very large service-time variances

Daniel P. Heyman

Proceedings Volume 3530, Performance and Control of Network Systems II; (1998) https://doi.org/10.1117/12.325873
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

Measurements of file sizes transported on the WWW have led some researchers to propose describing them by probability distributions with infinite variance. The M/G/1 queue often arises as a performance model for components of the WWW, and the service times correspond to file sizes; the infinite variance of the file sizes becomes the variance of the service times. In this paper the effects of very large service-time variance on some performance measures for the M/G/1 queue are explored via numerical examples and analytic arguments.

Citation Download Citation

Daniel P. Heyman "Performance implications of very large service-time variances", Proc. SPIE 3530, Performance and Control of Network Systems II, (7 October 1998); https://doi.org/10.1117/12.325873

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