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dc.contributor.authorHuang, Chenn-Jungen_US
dc.contributor.authorChuang, Yi-Taen_US
dc.contributor.authorGuan, Chih-Taien_US
dc.contributor.authorLuo, Yun-Chengen_US
dc.contributor.authorHu, Kai-Wenen_US
dc.contributor.authorChen, Chun-Huaen_US
dc.date.accessioned2014-12-08T15:11:20Z-
dc.date.available2014-12-08T15:11:20Z-
dc.date.issued2008-06-25en_US
dc.identifier.issn0140-3664en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.comcom.2008.02.007en_US
dc.identifier.urihttp://hdl.handle.net/11536/8704-
dc.description.abstractVideo-on-demand (VoD) environments frequently batch video requests to decrease I/O demand and increase throughput. Since users may leave due to waiting too long, a good video scheduling policy has to consider not only the batch size, but also the user defection probabilities and waiting times. Moreover, a practical VoD resource sharing scheme should endeavor to provide some free streams to serve a high-priority clients requests immediately, since the high-priority clients might pay for the requested video. To tackle these problems, this work proposes a hybrid resource sharing model that integrates controlled multicasting and hatching. The proposed hybrid model applies a bandwidth borrowing and reserving scheme to give high-priority clients a prompt service, while still providing low-priority clients with a reasonable service. Furthermore, a novel probability model-based scheduling policy is proposed to alleviate the user defection behavior and unfairness issue. Experimental results demonstrate that the proposed resource sharing scheme is effective and feasible in terms of blocking probability of high-priority clients, the defection probability, service delay time and fairness to low-priority users. (C) 2008 Elsevier B.V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectvideo-on-demanden_US
dc.subjectbatchingen_US
dc.subjectbandwidth borrowing and reservingen_US
dc.subjectschedulingen_US
dc.subjectcontrolled multicastingen_US
dc.subjectquality of serviceen_US
dc.titleA hybrid priority-based video-on-demand resource sharing schemeen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.comcom.2008.02.007en_US
dc.identifier.journalCOMPUTER COMMUNICATIONSen_US
dc.citation.volume31en_US
dc.citation.issue10en_US
dc.citation.spage2231en_US
dc.citation.epage2241en_US
dc.contributor.department資訊科學與工程研究所zh_TW
dc.contributor.departmentInstitute of Computer Science and Engineeringen_US
dc.identifier.wosnumberWOS:000258035900036-
dc.citation.woscount1-
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