Affiliation:
1. Dynamicsoft Inc, East Hanover, NJ
2. Telcordia Technologies, Red Bank, NJ
Abstract
In general, the traffic characteristics of the individual applications that constitute the aggregate traffic on a network can be important for capacity engineering. In this paper, we demonstrate, based on mathematical analysis, the value of application-specific measurements, even when there is no service differentiation. Specifically, under certain assumptions, we obtain the result that engineering errors occur when traffic characteristics of individual applications are ignored, and that the errors are in the direction of under-engineering. The assumptions are that the individual applications can be modeled adequately as Fractional Brownian Motions and that measurements are available only at relatively coarse time scales (as is common presently). The results in this paper emphasize the value of collecting fine-grained traffic measurements.
Publisher
Association for Computing Machinery (ACM)
Subject
Computer Networks and Communications,Hardware and Architecture,Software
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