Trust-aware Adaptive P2P Overlay Topology Based on Superpeer-partition
In P2P networks, the service availability is badly affected by the rationality of peers. However, the actual networks dont take the issue of free-riders and malicious peers, namely the rationality, as the inherent part of the topology design. Additionally,the mechanism of a peer randomly joining and leaving a network arouses the mismatching between the overlay and the underlying physical topology.This mismatching brings about a majority of P2P traffic. A Trust-aware Adaptive P2P Overlay Topology Based on Superpeer-partition is proposed to ease above problems. Peers will no longer blindly choose neighbors, but according to trust value and physical-position. Theoretic analysis and simulation show the resulting topology is more efficient than normal topology. This topology construction can effectively suppress the deceptive and fake services, improve the reliability and security, and decrease about 26 percent of the communication cost.
Liangmin Guo Shoubao Yang Leitao Guo Kai Shen Weina Lu
Department of Computer Science, University of Science and Technology of China,Hefei 230026, China;De Department of Computer Science, University of Science and Technology of China,Hefei 230026, China
国际会议
第六届网格与协同计算国际会议(The Sixth International Conference on Grid and Cooperative Computing GCC 2007)
乌鲁木齐
英文
117-124
2007-08-16（万方平台首次上网日期，不代表论文的发表时间）