基于多阻滞因素predator-prey模型的蠕虫传播机制研究-research on worm propagation mechanism based on multi - blocking factor predictor - pre model.docx

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基于多阻滞因素predator-prey模型的蠕虫传播机制研究-research on worm propagation mechanism based on multi - blocking factor predictor - pre model.docx

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基于多阻滞因素predator-prey模型的蠕虫传播机制研究-research on worm propagation mechanism based on multi - blocking factor predictor - pre model

ABSTRACTWiththedevelopmentofinformationtechnology,theproblemofinformationsecurityismoreandmoreconcernedbypeople.Thecomputerwormisoneofthemostserioussecurityproblems,whichcancauseacutethreatstothedevelopmentoftheInternet.Now,fruitfulresearchresultshavebeenachievedwithalotofmethods,andthesemethodsaresummarizedinthispaper.Therearemanyidenticalcharacteristicsbetweenwormpropagationandinfectiousdiseasesinecology,andatthesametime,asthecomputerwormpropagationinthenetwork,moreandmorenewfeaturesareshown,suchasbonnetscanpreyoneachother.Thetraditionalmodelscannotwellstudythesenewfeatures,andneedtobeimproved.Forthenewphenomenon,thispaperanalyzesthedefectsoftraditionalmodels.Thisthesistakesthecompetitiveandpreyfactorsintoaccount,andproposesanewmodelofWPWmodelbasedonthePredator-Preymodel.ThisthesisanalyzesthenatureontheWPWmodel.WPWmodelisanon-autonomoussystem,andinthispaper,thisthesisusecomparisonmethoddirectlytodiscussthestabilityproblemofthenon-autonomoussystems,andcometotheconclusionthatreducetheconnectivityofthenodeinthenetworkcancurbthespreadofwormpropagation.Blockingfactors,aswellasmethodstodiscussthestabilityproblemsofautonomoussystemsandnon-autonomoussystemsinthetraditionaldifferentialequationsaresummarized.Inaccordancewiththewormsimulationexperiment,useMatlabsoftware,whichusesmathematicalinterpolation,tosimulatethespreadofworminafullyconnectednetwork.UseNetlogosoftware,whichcanbeabletosimulatealargenumberofindividualbehavior,tosimulatethespreadofworminscale-freenetwork,whichisclosetotherealitynetwork,andverifythatthediscussiononthestabilityoftheWPWmodel.KeyWords:worm;prey;non-autonomoussystems;comparisonmethod;stability目录摘要..........................................................................................................................................................................IABSTRACT..............................................................................................................................................................II第一章绪论...........