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›› 2013,Vol. 28 ›› Issue (3): 540-552.doi: 10.1007/s11390-013-1354-0
• Special Section on Selected Paper from NPC 2011 • 上一篇 下一篇
Zhi-Hui Lv1 (吕智慧) Member, IEEE, Li-Jiang Chen2 (陈李江), Jie Wu1,* (吴杰), Da Deng1 (邓达) Si-Jia Huang1 (黄思嘉), and Yi Huang1 (黄翼)
Zhi-Hui Lv1 (吕智慧) Member, IEEE, Li-Jiang Chen2 (陈李江), Jie Wu1,* (吴杰), Da Deng1 (邓达) Si-Jia Huang1 (黄思嘉), and Yi Huang1 (黄翼)
许多商业化的P2P流媒体系统已经使用了内容分发网络(CDN),以保证用户的使用体验。因此,如何有效地利用CDN(例如,选择哪一个Peer节点接受CDN节点的服务)的能力,是一个具有重要意义的问题。现有的解决方案往往采用被动的,按需的方式,这是一种低效的利用CDN资源的方式。在本文中,我们提出PROSE,一个简单的,新的机制来实现CDN积极的,有选择性的参与P2P流媒体分发的方案。PROSE引入了新的概念,例如提出阻塞点扩展节点和超级节点的概念,并提出高效,轻量级和分布式的算法来识别这些节点,并让CDN有选择地服务于这些节点。我们的实验结果证明,与现有的通用CDN-P2P混合方案相比,PROSE达到至少10-25%的性能提高和2-4倍的开销减少。
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