Hybrid Clustered Peer-Assisted Dash-Svc System

CIT/IUCC/DASC/PICOM 2015 IEEE INTERNATIONAL CONFERENCE ON COMPUTER AND INFORMATION TECHNOLOGY - UBIQUITOUS COMPUTING AND COMMUNICATIONS - DEPENDABLE, AUTONOMIC AND SECURE COMPUTING - PERVASIVE INTELLIGENCE AND COMPUTING(2015)

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摘要
Dynamic Adaptive Streaming over HTTP (DASH) standard was designed to improve quality of experience (QoE) by enabling video distribution at different quality levels according to the clients' network conditions. Moreover, DASH is compatible with the H.264 Scalable Video Coding (SVC) technology. In Content Delivery Networks (CDNs)-P2P hybrid approach, users can fetch contents from the CDN edge network, the P2P network, or from both networks. In this paper, we present a Hybrid CDN-P2P-SVC-DASH system, mainly to improve user quality of experience. Our system is based on clustering the peers to improve the user download time. The simulation results show that the clusters improve the QoE, reduce the start-time and reduce the load on the tracker. We also found that relatively small clusters can achieve most of the potential benefits engrained in the CDN-P2P hybrid approach.
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关键词
DASH, SVC, CDN, P2P
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