Abstract
Periodic broadcast is a cost-effective solution for large-scale distribution of popular videos. Regardless of the number of video requests, this strategy guarantees constant worst service latency to all clients. An essential periodic broadcast method is the client-centric approach (CCA), which allows clients to use smaller receiving bandwidth to download broadcast data. An enhanced version, namely CCA+, was proposed to yield a shorter waiting time. This work further improves CCA+ by leveraging client bandwidth for more efficient video broadcast. The new scheme reduces the broadcast latency by as much as 39 % when compared to CCA+ and 78 % when compared to CCA. We prove the applicability of this new scheme and provide an analytical evaluation to demonstrate the performance advantage, as compared with particular schemes.
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The work was financially supported by National Science Council, Taiwan under a research grant number NSC 100-2221-E-152-005.
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Yu, HF. Improvement of the client-centric approach for broadcasting popular videos. Multimed Tools Appl 67, 629–639 (2013). https://doi.org/10.1007/s11042-012-1062-8
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DOI: https://doi.org/10.1007/s11042-012-1062-8