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Bandwidth allocation for VBR video traffic in ATM networks

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3 Author(s)
Hon-Wai Chu ; Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., Kowloon, Hong Kong ; Tsang, D.H.K. ; Yang, T.

In this paper, we study the bandwidth allocation problem for an ATM multiplexer loaded with compressed VBR video sources. To estimate the bandwidth required by a VBR video source, we characterize its traffic by five parameters: peak rate, bottom rate, mean rate, standard deviation, and the coefficient of the autocorrelation function. The aggregate traffic of a number of VBR video sources is modelled by a discrete-time Markov modulated deterministic process (D-MMDP) which is approximately equal to the superposition of a number of identical and independent two-active-state mini-sources. Based on the effective bandwidth approach and the Gaussian approximation, we derive simple formulas for estimating the required bandwidth

Published in:

Computer Communications and Networks, 1995. Proceedings., Fourth International Conference on

Date of Conference:

20-23 Sep 1995