通信网络的OPNET建模与分析

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1、垒!!塾堕g!坚型!些g堕!竺竺!!塑堂!塑塑!塑墅型竺Q堕堕AbstractThecontextofthisresearchistoanalyzeandmodelcommunicationnetworkusingOPNET．Themodelsareusedtostudyhowtheperformanceofthenetworkisaffectedbythedifferentdesigndecisionsthatarcmadetoupgradethenetwork．Andeffectthedifferentnetworkconfigurationson

2、differentprotocols．Thisresearchhelpsmetocheektheentirenetwork,diagnosingdevicemisconfigurations，errors，policyviolations，andinefficiencies．Tounderstandpowerfulmodelingplatformandalsoinherentunderstandingoftopelogyandroutingtodetectnetwork-levelissues．111elimitationsofthisstudyiss

3、tricttoEtIlemetandAnalyzing,TCPanalyzing，OSPFAnalyzingqueuingpolicies．Subjectsincludedare：>CommunicationnetworkanalyzingandmodelingbasedonOPNET．》Basicmethodofcommunicationnetworkanalyzing》Meehanismofnetworkmodeling》Systemmodelingofcommunicationnetwork》OPNETmodelingandanalyzing》S

4、imulativeexperimentandanalyzingofcommunicationnetworkmodelingbasedonOPNETKeywords：Ethemetanalyzing，TCPanalyzing，OSPFanalyzing，Queuingpolicies，devicefailure，loadchange，routechangeandlinkoverloadingMotivationIndustrystudieshaverepeatedlyshownthatconfigurationerrorsareamajorsourceo

5、fnetworkdowntime，degradedperformance，andgapsinnetworksecurity．Maintainingnetworkintegrityandsecurityisimperativeforensuringqualityservice，demonstratingregulatorycompliance，andmitigatingrisks．However,thesheernumberanddiversityofdevicesinthenetworkmakethetaskofidentifyingproblemco

6、nfigurationsintractable．TheseproblemsmademetOstudyontheabovetopicAcknowledgementFirst,1wouldliketothankmythesisadvisorProf．ChenWeiatWuhanUniversityofTechnology．forkeepingmythesisontrackandforprovidingmewitllmanyvaluableideasandinsights．IappreciatethesupportofthestaffinUniversity

7、，whomadeworkingwiththisthesisfun．Finally，1wouldliketothankmyfamilyandfriendswhoalwaysbelievesinme，andaspecialthankstoyouwhoshowsinterestinreadingthisreport．Thankyoua11．．．．————————————．A——n——a．—ly—，z．—i—n——g——a—，n——d——M———o—．d．—e．1。i．n——g．—o——f—、C——o——m———m———u．n，—i—c—a——t—i—o——n

8、———N——e——tw———o——r—k——s——B——a——s—e—d—onOPNET。——