Sep.2005TransactionsofNanjingUniversityofAeronautics&AstronauticsVol.22No.3ANALYSISTOOLOFREQUIREMENTANDARCHITECTUREMANAGEMENTINCOMPLEXSYSTEMWUJie(CollegeofInformationScienceandTechnology,NUAA29YudaoStreet,Nanjing,210016,P.R.China)Abstract:Tofacilitatesystemintegrationandevolution,modelingofcomplexsystemsrequiresacomplementarymanagementofsystemrequirementsandthearchitecture.Softwaretoolsareessentialtosupporttheaboveman-agementeffectively.Theenvisagedanalysistoolforrequirementandarchitecturemanagement(ATRAM)isusedtoaddressthefollowing3issues:(1)systemrequirements;(2)architecturepresentation(modeling);(3)repre-sentation(marking-up)andtraceabilitybetweenthecomponentsofbothsides.InATRAM,asetofanalysistoolsisproposed.Itincludesatoolassistinginthegeneration/developmentofrequirementdocumentspertainingtothearchitectureofcomposedsystems,andanXMLbasedtoolforinteroperabilitychecking.Itisusefulforan-alyzingtheinfluencesofthechangeonenterprisesystemrequirementsorthearchitecture.Keywords:systemmodelling;architecturemanagement;XMLschemaCLCnumber:TP311.5Documentcode:AArticleID:1005-1120(2005)03-0252-07INTRODUCTIONusuallyhardtobeanalyzedandmaintained.Itisdifficulttokeepup-to-date.Evenwiththesup-Therehasbeenanincreasedfocusonthein-portoftools,thesystemrequirementsandtheterconnectionofsystemswithinandacrossenter-systemarchitectureareseparatelykept.Thesup-.prisesTheevolutionarypressuregeneratesnewportforthetraceabilitybetweenthesystemde-requirementsforthedistributedapplicationinte-signandthesystemarchitectureislimited.Fur-.grationManagementofsystemrequirementsandthermore,mostavailablesupporttoolsareeitherthearchitectureiscriticaltothesystemdevelop-highlygenericsothatonlylow-levelassistanceismentandevolution.Thetraceabilitybetweenthepossible,ortoospecificbydictatingtheuseofsystemrequirementsandthesystemarchitecturetheparticularnotation[2,3].isthekeytoverifywhetherrequirementsaremetbythearchitecturedesign[1].Whenchangesare1STRATEGYANDRESEARCHmadetosystems