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Bandwidth allocation for VBR video traffic in ATM networks

Authors Chu, Hon-Wai
Tsang, Danny H.K. View this author's profile
Yang, Tao
Issue Date 1995
Source Proceedings of the International Conference on Computer Communications and Networks, ICCCN , 1995, p. 612-615
Summary 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.
Language English
Format Conference paper
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