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Title: Bandwidth scheduling of prerecorded VBR video sources for ATM networks
Authors: Lauderdale, John
Tsang, Danny H. K.
Keywords: Bandwidth scheduling
Video-on-Demand (VoD)
MPEG VBR video transmission
Continuous media
Issue Date: Oct-1995
Citation: Proceedings of IEEE ATM Workshop '95, Washington, D. C., USA, October 1995
Abstract: This paper presents network bandwidth scheduling algorithms for the transmission of pre-encoded MPEG VBR video over ATM networks. A system model is developed for a Video-on-Demand application which includes a video server, an ATM network, a fixed-size playback buffer, and an MPEG decoder. Bandwidth scheduling algorithms are developed which use the known frame sizes of the encoded video and the known playback buffer size to produce a rate profile. The rate profile breaks a long MPEG sequence into several segments and specifies the rate required for each segment. The segment rates allow the network to deliver VBR encoded video using "piecewise" CBR service. The rate profile is used for call admission control.
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