Multi-scaling Models of Sub-frame VBR Video Traffic

Authors:
Iraj Saniee;Arnold L. Neidhardt;Onuttom Narayan;Ashok Erramilli
Affiliations:
-;-;-;-
Venue:
NETWORKING '00 Proceedings of the IFIP-TC6 / European Commission International Conference on Broadband Communications, High Performance Networking, and Performance of Communication Networks
Year:
2000

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Abstract

In this paper, we investigate fine timescale (sub-frame level) features in video MPEG2 traffic, and consider their effect on performance. Based on trace-driven simulations, we demonstrate that short time features can have substantial performance and engineering implications. Motivated partly by recent applications of multi-scaling analysis to modeling wide area TCP traffic, we propose a multi-fractal cascade as a parsimonious representation of sub-frame traffic fluctuations, and show that it can closely match queueing performance on these timescales. We outline an analytical method for estimating performance of traffic that is multifractal on fine time-scales and long-range dependent on coarse timescales.