A new mechanism of video delivery over wide area networks using video proxy servers

被引：0
|
作者：
Cheng, QB [1 ]
Zhang, YL
机构：
[1] Chongqing Univ Posts & Telecommun, Chongqing 400065, Peoples R China
[2] Univ Elect Sci & Technol China, Natl Key Lab Opt Fiber Commun, Chengdu 610054, Peoples R China
来源：
CHINESE JOURNAL OF ELECTRONICS | 2001年 / 10卷 / 03期
关键词：
video-on-demand; traffic smoothing; video proxy server; buffer management; efficiency; bandwidth allocation;
D O I：
暂无
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：
This paper introduces a new concept called video proxy server for the transmission of video over wide area networks (WAN). The new video-on-demand (VOID) system structure is presented and the operational mechanism has been introduced based on the introducing of VOID video proxy server. A smoothed aggregated video stream is delivered over WAN through VOD proxy in pull model. The bandwidth efficiency of VOID proxy is experimented, and the buffer management of the VOID proxy is presented and its efficiency is analyzed in comparison with references. With an additional plain computing power VOD proxy, the VOID system can support low computing power clients, and the complexity of VOD server is reduced enormously. From this mechanism, the costs of delivering video over WAN reduced also.
引用
收藏
页码：366 / 370
页数：5
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