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Open-Loop Video Distribution with Support of VCR Functionality

Abstract : Scalable video distribution schemes have been studied for quite some time. For very popular videos, open-loop broadcast schemes have been devised that partition each video into segments and periodically broadcast each segment on a different channel. Open-loop schemes provide excellent scalability as the number of channels required is independent of the number of clients. However, open-loop schemes typically do not support VCR functions. We will show for open-loop video distribution how, by adjusting the rate at which the segments are transmitted, one can provide VCR functionality. We consider deterministic and probabilistic support of VCR functions: depending on the segment rates chosen, the VCR functions are supported either 100% of the time or with very high probability. For the case of probabilistic support of PLAY and Fast-forward (FF) only, we model the reception process as a semi-Markov accumulation process. We are able to calculate a lower bound on the probability of successfully executing FF actions.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00268459
Contributor : Christine Carvalho de Matos <>
Submitted on : Tuesday, April 1, 2008 - 9:27:24 AM
Last modification on : Thursday, March 5, 2020 - 4:56:37 PM

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Ernst Biersack, Alain Jean-Marie, Philippe Nain. Open-Loop Video Distribution with Support of VCR Functionality. Performance Evaluation'2002, Sep 2002, Rome, Italy. pp.411-427, ⟨10.1016/S0166-5316(02)00134-7⟩. ⟨lirmm-00268459⟩

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