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Video-on-demand (VoD) service has been explosively growing since its first appearance. For maintaining an acceptable buffering delay, the bandwidth costs have become a huge burden for the service providers. Complementing the conventional client-server architecture with a peer-to-peer system(P2P) can significantly reduce the central server's bandwidth demands. However, the previous works focus on establishing...
When applied in a commercial deployment, DHT-based P2P protocols face a dilemma: although most real-world participants are so unstable that the maintenance overhead is prohibitively high, they must be effectively utilized due to the lack of stable participants. Thus, determining how to leverage unstable nodes to enhance system scalability and then maximize stability in high-churn scenarios becomes...
Providing scalable streaming media service over the internet is a demanding task nowadays, CDN(Content Delivery Network) and P2P are the main approaches while both have pros and cons. We propose a novel hybrid architecture - PeerCDN to combine the two approaches seamlessly with their inherited excellent features. PeerCDN is a two-layer streaming architecture. Upper layer is a server layer which is...
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