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

页码：2724 / 2732

页数：9

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