Multicast video-on-demand services

被引:53
|
作者
Ma, HD [1 ]
Shin, KG
机构
[1] Beijing Univ Posts & Telecommun, Coll Comp Sci & Technol, Beijing 100876, Peoples R China
[2] Univ Michigan, Dept EECS, Real Time Comp Lab, Ann Arbor, MI 48109 USA
关键词
Quality-of-Service (QoS); scheduling; VCR-like interactivity; multicast; Video-on-Demand (VoD);
D O I
10.1145/510726.510729
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The server's storage I/O and network I/O bandwidths are the main bottleneck of VoD service. Multicast offers an efficient means of distributing a video program to multiple clients, thus greatly improving the VoD performance. However, there are many problems to overcome before development of multicast VoD systems. This paper critically evaluates and discusses the recent progress in developing multicast VoD systems. We first present the concept and architecture of multicast VoD, and then introduce the techniques used in multicast VoD systems. We also analyze and evaluate problems related to multicast VoD service. Finally, we present open issues on multicast VoD as possible future research directions.
引用
收藏
页码:31 / 43
页数:13
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