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    Abstract:

    A comprehensive factors-based (CFB) scheduling algorithm is proposed for Peer-to-Peer media streaming. In CFB scheduling algorithm, considering the number of chunk’s suppliers and urgency,a priority is defined for each data chunk and the neighbors’ bandwidth is effectively evaluated. A peer requests chunks from neighbors according to priorities as well as bandwidth. Simulation results show that the proposed CFB scheduling algorithm for Peer-to-Peer media streaming outperforms conventional scheduling algorithms in peer average throughput, continuity index and start delay.

    Reference
    1 PPLive. http://www.pplive.com/
    2 UUsee. http://www.uusee.com
    3 PPstream. http://www.ppstream.com/
    4 Pai V, Kumar K, et al. Chainsaw: Eliminating trees from overlay multicast. IEEE INFOCOM 2005. Conell, US,Feb. 2005.
    5 Agarwal V, Rejaie R. Adaptive multi-source streaming in heterogeneous peer-to-peer networks. Multimedia Computing and Networking 2005 (MMCN). San Jose, CA, USA, Jan. 2005.
    6 Zhang X, Liu J, Li B, Yum TSP. Coolstreaming/donet: A data-driven overlay network for efficient media str- eaming, in IEEE INFOCOM 2005. Miami, US, Mar. 2005.2102-2111.
    7 Magharei N, Rejaie R. Prime: Peer-to-peer receiver- driven mesh-based streaming. IEEE INFOCOM 2007. Anchorage, Alaska, USA, May 2007.
    8 Chen S, Huo L, Fu Q, Gao W. FBSA: A selfadjust- table multi-source data scheduling algorithm for P2P media streaming. International Work-shop on Mul- timedia Content Analysis and Mining (MC AM 2007). Weihai, China, Jul.2007.325-333.
    9 http://www.cc.gatech.edu/projects/gtitm/
    10 General p2p simulator. www.cs.binghamton.Edu/~wyang/gps/
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郑小乐,郑烇,李俊.基于综合因素的P2P流媒体数据调度算法.计算机系统应用,2010,19(1):99-103

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  • Received:April 09,2009
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