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Title: Bandwidth allocation for VBR video traffic in ATM networks
Authors: Chu, Hon-Wai
Tsang, Danny H. K.
Yang, Tao
Keywords: Bandwidth allocation
ATM multiplexer
VBR video
Discrete-time Markov modulated deterministic process
Issue Date: 1995
Citation: Proceedings of ICCCN '95, Les Vegas, September 1995, p. 612-615
Abstract: 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 independant two-active-state mini-sources. Based on the effective bandwidth approach and the Gaussian approximation, we derive simple formulas for estimating the required bandwidth.
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