Performance model of interactive video-on-demand systems

被引:64
|
作者
Li, VOK [1 ]
Liao, WJ [1 ]
Qiu, XX [1 ]
Wong, EWM [1 ]
机构
[1] CITY UNIV HONG KONG,DEPT ELECT ENGN,HONG KONG,HONG KONG
关键词
D O I
10.1109/49.508281
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
An interactive video-on-demand (VoD) system allows users to access video services, such as movies, electronic encyclopedia, interactive games, and educational videos from video servers on a broadband network. This paper develops a performance evaluation tool for the system design. In particular, a user activity model is developed to describe the usage of system resources, i.e., network bandwidth and video server usage, by a user as it interacts with the service. In addition, we allow batching of user requests, and the effect of such batching is captured in a batching model. Our proposed queueing model integrates both the user activity and the batching model. This model can be used to determine the requirements of network bandwidth and video server and, hence, the trade-off in communication and storage costs for different system resource configurations.
引用
收藏
页码:1099 / 1109
页数:11
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