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›› 2008, Vol. 25 ›› Issue (2): 197-203.DOI: 10.7523/j.issn.2095-6134.2008.2.009

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The research of the Reputation-Aware SuperN-ode Selection Algorithm in P2Psystem

LIUYuMei ;YANGShouBao1; CHENWanMing2; GUOLeiTao; WEIDong   

  1. 1DepartmentofComputerScience,UniversityofScienceandTechnologyofChina,Hefei230026,China;

    2DepartmentofAutomation,UniversityofScienceandTechnologyofChina,Hefei230026,China

  • Received:1900-01-01 Revised:1900-01-01 Online:2008-03-15

Abstract: IntheP2PHybridStructure,itmakesthesystem fluctuate,evenmakesthesystem collapsewhen
hostilesuperNodeleavesthesystem frequently.Therefore,weproposedanew ReputationAwareSuperNode SelectionAlgorithm tomakethesystem stable.Itbuiltthereputationmodelwhichwasbasedonthehistory interactionfeedback, andthenbuiltthereputationawaresuperNodeselectionalgorithm, selectingthehigh
reputationnodeasthesuperNode.Simulationandanalysisshowthatwhenitselectedhighreputationnodefor SuperNode,thefrequencythatthesuperNodeleavesthesystem isreducedandthesystem’sstabilizationis improved.

Key words: P2P, superNode, RASSA, reputation, hostilesuperNode

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