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The Peer-to-Peer solution provides a service model that is attractive for Video-on-demand (VOD). The key idea of using P2P technology is to aggregate storage and bandwidths capacity of peers to alleviate workload on the source server. Compared with P2P live streaming, it is much more challenge for VOD due to peers' asynchronous request, different interested portion and support for VCR-like operation. In this paper, we utilize two-scale list of peers, which is composed of R-peers and S-peers, todoi:10.1109/ccnc.2009.4784857 dblp:conf/ccnc/ChenY10 fatcat:mflfwbqn3rg65hqh6iuhxco6py