Characterizing highly correlated video traffic in high-speed asynchronous transfer mode networks

Ness B. Shroff; Mischa Schwartz

doi:10.1117/12.238677

1 April 1996 Characterizing highly correlated video traffic in high-speed asynchronous transfer mode networks

Ness B. Shroff, Mischa Schwartz

Author Affiliations +

Journal of Electronic Imaging, Vol. 5, Issue 2, (April 1996). https://doi.org/10.1117/12.238677

Abstract

The enormous bandwidth potential of optical fiber has resulted in a worldwide effort to develop high-speed ATM networks, also called broadband integrated services digital networks (BISDN). Many of the applications that ATM networks will support will have a strong video component to them. Hence, it is important to understand the behavior of video traffic as it travels through these networks. To that end, we develop the generalized histogram model (GHM) to characterize "highly correlated" traffic, such as motion JPEG or "smoothed" MPEG traffic over ATM networks end-to-end. Using our GHM model we show how to determine the loss rate at any node in an ATM network. We find that, for highly correlated video sources, increasing the buffer size beyond a certain region called the "cell region" only marginally decreases the probability of loss. This implies that large buffers cannot be used to control the loss for such sources. The analytical model provided in this paper can be used for admission control, and network dimensioning and design in ATM networks. We have validated our results using simulations of real traces of video sources.

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Ness B. Shroff and Mischa Schwartz "Characterizing highly correlated video traffic in high-speed asynchronous transfer mode networks," Journal of Electronic Imaging 5(2), (1 April 1996). https://doi.org/10.1117/12.238677

Published: 1 April 1996

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