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Fourth International Conference on Computer Communications and Networks (ICCCN '95)
Bandwidth allocation for VBR video traffic in ATM networks
Las Vegas, Nevada, USA
September 20-September 23
ISBN: 0-8186-7180-7
Hon-Wai Chu, Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., Kowloon, Hong Kong
D.H.K. Tsang, Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., Kowloon, Hong Kong
Tao Yang, Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., Kowloon, Hong Kong
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 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.
Index Terms:
asynchronous transfer mode; VBR video traffic; bandwidth allocation; ATM networks; ATM multiplexer; compressed VBR video sources; peak rate; bottom rate; mean rate; standard deviation; autocorrelation function coefficient; aggregate traffic; discrete-time Markov modulated deterministic process; effective bandwidth approach; Gaussian approximation; two-active-state mini-sources
Citation:
Hon-Wai Chu, D.H.K. Tsang, Tao Yang, "Bandwidth allocation for VBR video traffic in ATM networks," icccn, pp.0612, Fourth International Conference on Computer Communications and Networks (ICCCN '95), 1995
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