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首页> 外文会议>Information Networking: Advances in Data Communications and Wireless Networks; Lecture Notes in Computer Science; 3961 >Path-Aware Multicast for Efficient File Distribution in Peer-to-Peer Overlay Networks
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Path-Aware Multicast for Efficient File Distribution in Peer-to-Peer Overlay Networks

机译：对等覆盖网络中的路径感知多播，可有效分发文件

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摘要

This paper discusses how to transmit the same file or the same part of a large file from a source peer to a group of destination peers efficiently. Considering the quality of overlay links and the restriction of Internet firewalls, we propose a hybrid approach of amplification and multicast, called amplicast, to improve the efficiency of file distribution. By intelligent peer selection and the support of replicate peers, the proposed amplicast approach constructs a series of multicast sub-trees to alleviate the load of the source peer and allow a requesting peer to decide when and where to join a tree, based on its own benefits. With link status cache and top-set sampling heuristic, the proposed PeerTop can significantly reduce the cost of exhausted network probing. Experiments with real-world Internet traffic data demonstrate that our approach can distribute contents very efficiently.
机译：本文讨论如何有效地将相同文件或大文件的相同部分从源对等方传输到一组目标对等方。考虑到覆盖链路的质量和Internet防火墙的限制，我们提出了一种放大和组播的混合方法，称为amplicast，以提高文件分发的效率。通过智能对等体选择和复制对等体的支持，所提出的amplicast方法构造了一系列多播子树，以减轻源对等体的负担，并允许请求对等体根据其自身决定何时何地加入树好处。借助链路状态缓存和顶部采样启发式功能，提出的PeerTop可以显着降低耗尽网络探测的成本。真实世界Internet流量数据的实验表明，我们的方法可以非常有效地分发内容。

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