How much can large-scale Video-On-Demand benefit from users' cooperation?

被引：0
|
作者：
Ciullo, Delia [1 ]
Martina, Valentina [2 ]
Garetto, Michele [3 ]
Leonardi, Emilio [2 ]
机构：
[1] INRIA Sophia Antipolis, Sophia Antipolis, France
[2] Politecn Torino, Dipartimento Elettr Telecommun, I-10129 Turin, Italy
[3] Univ Turin, Dipartimento Informat, I-10149 Turin, Italy
来源：
2013 PROCEEDINGS IEEE INFOCOM | 2013年
关键词：
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：
We propose an analytical framework to tightly characterize the scaling laws for the additional bandwidth that servers must supply to guarantee perfect service in peer-assisted Video-on-Demand systems, taking into account essential aspects such as peer churn, bandwidth heterogeneity, and Zipf-like video popularity. Our results reveal that the catalog size and the content popularity distribution have a huge effect on the system performance. We show that users' cooperation can effectively reduce the servers' burden for a wide range of system parameters, confirming to be an attractive solution to limit the costs incurred by content providers as the system scales to large populations of users.
引用
收藏
页码：2724 / 2732
页数：9
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