计算机科学 ›› 2014, Vol. 41 ›› Issue (10): 131-133.doi: 10.11896/j.issn.1002-137X.2014.10.030
王攀,黄浩,谢长生
WANG Pan,HUANG Hao and XIE Chang-sheng
摘要： 随着P2P技术的发展和IPTV的逐步推广,两者的结合应用越来越广泛。 P2P流媒体的实质是基于分享的精神,充分利用每个客户的上传带宽,以减少流媒体服务器端的负载。关于VOD点播中的P2P技术,现有的大部分研究都集中在节点的选择策略、P2P网络的拓扑结构以及各个客户端的上传带宽和上传质量等。这些研究显著地改善了P2P点播系统的性能 。采用基于嵌入式系统的面向内容的P2P点播缓冲机制,可以最大限度地减少嵌入式系统弱点(存储容量非常有限)的影响,并基于内容热度做出智能的缓冲机制。使用这种新的机制,嵌入式P2P VOD系统可以得到一个较小的网络组建时间和更高的数据共享率。
| [1] Liu J,Rao S G,Li B,et al.Opportunities and challenges of peer-to-peer Internet video broadcast[J]．Proc．IEEE,2007,96(1 ):11-24 [2] PPLive．Huazhong Univ．Sci．Technol.,Wuhan,China ．http://www.pplive.com/ [3] UUSee．UUSee,Inc.,Beijing,China ．http://www.uusee.com/ [4] Jiang X,Dong Y,Xu D Y,et al.GnuStream:a P2P MediaStreaming System Prototype[C]∥Proceedings of International Conferences on Multimedia & Expo．(ICME’03)．Maryland,USA,2003 [5] Ripeanu M,Foster I． Mapping the Gnutella network:Properties of large-scale peer-to-peer systems and implications for system design[J]．IEEE Internet Computing Journal,2002,6(1):50-57 [6] Hefeeda M M,Bhargava B K,Yau D K Y．A hybrid architecture for cost-effective on-demand media streaming[J]．Computer Networks,2004,44(3) [7] Cui Y,Li B,Nahrstedt K．oStream:asynchronous streamingmulticast in application-layer overlay networks[J]．IEEE Journal on Selected Areas in Communications,2004,22(1):91-106 [8] Guo L,Chen S,Zhang X．Design and evaluation of a scalable and reliable P2P assisted proxy for on demand streaming media delivery[J]．IEEE Transactions on Knowledge and Data Enginee-ring,2006,8(5):669-682 |
| No related articles found! |
|
||
首页