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SHT: adaptive DHT topology model based on session heterogeneity for dynamic network

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4 Author(s)
Zou Futai ; Shanihai Jiao Tong University ; Li Yin ; Zhang Liang ; Ma Fanyuan

Dynamic network environment has a great impact on the performance of DHT topology model, and even would lead to crash down the peer-to-peer (P2P) network in some situations. We focus on session heterogeneity of peer nodes existing in the dynamic network and propose Session Heterogeneity Topology (SHT) model, a new topology model based on traditional DHT topology model. In SHT topology model, dynamic nodes are clustered to stable nodes so as to reduce the dynamic changes of DHT topology network as well as perform well in dynamic network environment. The experimental results demonstrate (1) With a small cluster size, the model performs well in dynamic network environment, which means it is very practical for deploy it. (2) Under dynamic network environment, SHT topology model has an order of magnitude optimizing performance better than Chord in stability and search, while with maintenance overheads an order of magnitude less than Chord.

Published in:

Advanced Communication Technology, 2004. The 6th International Conference on  (Volume:2 )

Date of Conference:

9-11 Feb. 2004

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