Abstract
Hybrid CDN-P2P live streaming systems are designed and deployed to achieve the scalability of P2P networks and the desired low delay and high throughput of CDNs. However, the P2P mechanism used in pure peer-to-peer systems is not suitable to directly be applied in the hybrid CDN-P2P systems where edge server with strong service capacity is deployed. So, we customize a P2P mechanism, called PeerCore, for hybrid CDN-P2P architecture. PeerCore achieves dynamic resource scaling while guaranteeing quality-of-service by controlling the number of end users directly served by the edge server. In the mean time, we define a superiority index to reflect the stability and upload bandwidth capacity of a node. The more stable end hosts and end hosts with higher upload bandwidth have larger values of superiority index and gain the privilege to receive data directly from edge server. End hosts with larger value of superior index are apt to be promoted closer to edge server and consist of the delivery backbone for the live streaming system. Simulations results demonstrate the superior efficiency and robustness of PeerCore.
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© 2013 Springer-Verlag Berlin Heidelberg
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Deng, H., Xu, J. (2013). CorePeer: A P2P Mechanism for Hybrid CDN-P2P Architecture. In: Gao, Y., et al. Web-Age Information Management. WAIM 2013. Lecture Notes in Computer Science, vol 7901. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-39527-7_28
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DOI: https://doi.org/10.1007/978-3-642-39527-7_28
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-39526-0
Online ISBN: 978-3-642-39527-7
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