基于生态网络的P2P环境信任博弈进化模型.pdf

24 2007，43(23) and ComputerEn∥neeringApplications计算机工程与应用 基于生态网络的P2P环境信任博弈进化模型 刘凤鸣1．丁永生1，2 LIU Feng-min91，DINGYong-shen91，2 1．东华大学信息科学与技术学院。上海201620 2．东华大学数字化纺织服装技术教育部工程研究中心．上海201620 ofInformationSciencesand ’- 1．College Technology，Donghua 201620，China University，Shanghai Research of Center Textile＆Fashion of 2．Engineering Digitized Technology，Ministry Education，Donghua 201620，China E—mail：ysding@dhu．edu．on LIU oftrust based in model on networkP2Pnetworks。 Feng-ming，DINGYong-sheng．Evolutionarygame ecological and ComputerEngineeringApplications，2007，43(23)：24--27． trustmechanismcandetectand themalicious honestand interactionsin Abstract：The nodes，and punish promote cooperative theP2Pnetworks．Inthis atrust modelbasedonthe mechanismof network，and paper，wepresent game evolutionary ecological the mechanismto the trendoftrust nodes．P2Pnetworks apply evolutionary replicatordynamics analyze relationshipsamong using thismodelhave and stability． goodperformance words：P2P stable Key networks；trust mechanism；evolutionary game；evolutionarygame；ecologicalnetwork；replieatordynamics strategy 摘要：P2P网络中信任机制能够很好地检测和惩罚恶意节点，激励节点之间合作。提出了一种基于生态网络协同进