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流媒体点播的服务器通道调度方案综述
引用本文:覃少华 李子木 蔡青松 胡建平. 流媒体点播的服务器通道调度方案综述[J]. 计算机科学, 2005, 32(1): 101-105
作者姓名:覃少华 李子木 蔡青松 胡建平
作者单位:北京航空航天大学计算机学院601信箱,北京,100083;清华大学信息网络工程研究中心,北京,100084
基金项目:国家自然科学基金(60103005)
摘    要:服务器通道调度技术是解决大规模流媒体点播应用系统资源瓶颈问题的有效途径。它的基本思想是通过让用户尽可能共享同一个数据流来提高系统资源的利用率。本文综述了媒体点播系统中通道调度方案的研究现状,分析了一些典型方案的设计思想和方法,指出目前通道调度方案研究中的不足,并对今后该领域需要进一步研究的问题进行展望

关 键 词:流媒体点播  调度方案  流合并  带宽  启动延迟

Scheduling Schemes of Server Channel for Streaming Media-on-Demand:A Survey
QIN Shao-Hua,LI Zi-Mu,CAI Qing-Song,HU Jian-Ping School of Computer Science,Beijing University of Aeronautics and Astronautics,Beijing Network Research Center of Tsinghua University,Beijing. Scheduling Schemes of Server Channel for Streaming Media-on-Demand:A Survey[J]. Computer Science, 2005, 32(1): 101-105
Authors:QIN Shao-Hua  LI Zi-Mu  CAI Qing-Song  HU Jian-Ping School of Computer Science  Beijing University of Aeronautics  Astronautics  Beijing Network Research Center of Tsinghua University  Beijing
Affiliation:QIN Shao-Hua,LI Zi-Mu,CAI Qing-Song,HU Jian-Ping School of Computer Science,Beijing University of Aeronautics and Astronautics,Beijing 100083 Network Research Center of Tsinghua University,Beijing 100084
Abstract:Scheduling technology of server channel is an effective approach for addressing the bottleneck problem of resources in large scale streaming media application systems. To reach higher level of system resource utilization,it lets users to share a single stream as much as possible. This paper summarizes the state-of-the-art in the research on channel scheduling schemes in media-on-demand system. We also analyze the design idea of several classical schemes. Additionally,some disadvantages of study on channel scheduling algorithms are discussed. At last,the key issues to be further studied in this area are pointed out.
Keywords:Streaming media-on-demand  Scheduling schemes  Stream merging  Bandwidth  Start-up latency
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