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

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 (SH...

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Bibliographic Details
Main Authors: Zou Futai, Li Yin, Zhang Liang, Ma Fanyuan
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Computer crashes
Computer science
DHT
Internet
Iris
Network topology
P2P
Peer to peer computing
Robustness
Routing
session heterogeneity
Stability
topology model
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Summary: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.
DOI:10.1109/ICACT.2004.1292990