A study of an hybrid CDN-P2P system over the PlanetLab network

被引：7
|
作者：
Baccaglini, Enrico [1 ]
Grangetto, Marco [2 ]
Quacchio, Emanuele [3 ]
Zezza, Simone [4 ]
机构：
[1] Ist Super Mario Boella, Multimedia Adaptat & Interact Dept MAIN MLW, I-10138 Turin, Italy
[2] Univ Turin, Dipartimento Informat, I-10149 Turin, Italy
[3] STMicroelectronics Srl, Adv Syst Technol, I-20041 Cornaredo, MI, Italy
[4] Politecn Torino, Dipartimento Elettron, I-10129 Turin, Italy
来源：
SIGNAL PROCESSING-IMAGE COMMUNICATION | 2012年 / 27卷 / 05期
关键词：
Peer-to-peer; Hybrid CDN-P2P architecture; Video delivery; PlanetLab;
D O I：
10.1016/j.image.2012.02.006
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：
In this work we propose an hybrid CDN-P2P architecture for video contents delivery based on the NextShare platform. Experiments were conducted over the PlanetLab network using a number of peers which encompass real network behaviors. Results show that although the NextShare is based on the original BitTorrent file sharing mechanism, the implemented tools can efficiently deliver video over a heterogeneous and time varying network if peers can rely on an intermediate distribution layer between the CDN and the final users. Among the other benefits, CDN edge servers are significantly offloaded and peers can experience low start-up delays. Architecture design and simulation results are taking place in the context of the European FP7 project COAST. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：430 / 437
页数：8
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