Server Load Based Prefetching Strategy For P2P VoD Streaming

被引：0
|
作者：
Liu, Pingshan [1 ]
Huang, Guimin [1 ]
Zhou, Ya [1 ]
Qin, Donghong [1 ]
Liu, Siyun [1 ]
机构：
[1] Guilin Univ Elect Technol, Res Ctr Data Sci & Social Comp, Guilin, Peoples R China
来源：
2013 3RD INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND NETWORK TECHNOLOGY (ICCSNT) | 2013年
基金：
中国国家自然科学基金;
关键词：
peer-to-peer; video-on-demand; prefetching; server load; STORAGE;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In a peer-to-peer (P2P) video-on-demand (VoD) system, a peer can prefetch some movie data for its future needs when it is watching a movie. These prefetched movie data can also offload the servers, which is in the best interest of VoD service providers. To offload the servers effectively, which segment of a movie a peer should prefetch is an important problem. In this paper, we propose a server load based prefetching strategy to solve this problem, which aims at reducing server load. In this strategy, we propose to use the EWMA (Exponentially Weighted Moving Average) server load to determine which segment of a movie a peer should prefetch. Furthermore, we integrate this strategy into our previously proposed P2P VoD scheme. Through simulations, we demonstrate that this strategy can effectively reduce server load.
引用
收藏
页码：721 / 725
页数：5
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