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Statistical Analysis of Packet Delays in the Internet and Its Application to Playout Control for Streaming Applications
IEICE TRANSACTIONS on Communications Vol.E84-B No.6 pp.1504-1512
Publication Date: 2001/06/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on New Developments on QoS Technologies for Information Networks)
packet transmission delay,
packet loss ratio,
Full Text: PDF
A packet transmission delay is an important quality characteristic for various applications including real-time and data applications. In particular, it is necessary to investigate not only a whole distribution of the packet transmission delay, but also the tail part of the distribution, in order to detect the packet loss. In this paper, we analyze the characteristics of the tail part of packet delay distributions by statistical analytic approach. Our analytic results show that the Pareto distribution is most appropriate in 95-99.9% region of the cumulative distribution of packet transmission delays. Based on our statistical analysis, we next propose an adaptive playout control algorithm, which is suitable to real-time applications. Numerical examples show that our algorithm provides the stable packet loss ratio independently on traffic fluctuations.