《cmmi培训资料五》ppt课件

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1、CMMI介绍（五）CMMICoordinatorTeamOctober07,2004PMTraining(part2)培训内容SWdevelopmentlifecycleSDLCTailoringProductreleaseDARSWdevelopmentlifecycleWaterfallSystemfeasibilityValidationSoftwarePlans&RequirementsValidationProductDesignVerificationDetailedDesignVerificationCodeUnitTestIntegrationProductVeri

2、ficationImplementationSystemTestOperations&MaintenanceRevalidationThismodelisbestsuitedwhenasetofhighquality,stableuserrequirementsexists.Itslimitationsstemfromthefactthatitrequirescompleteknowledgeofallrequirementsatearlystagesofthelifecycle,commitmentofallfinancialandotherresourcesupfront(wi

3、thalowvisibilityuntiltheproductisready)andlackofflexibilitytoacceptchangetorequirements.TheWaterfallModelisinappropriatefordevelopmentsituationswherethesefactorsmayposeproblemSWdevelopmentlifecycleRADRapidApplicationDevelopmentIfaapplicationcanbemodularizedinawaythatenableseachmajorfunctiontob

4、ecompletedinsay,lessthan3months,itisacandidateforRAD.EachmajorfunctioncanbeaddressedbyaseparateRADteamandthenintegratedtoformawholeapplication.Ifasystemcannotbeproperlymodularized,orifthetechnicalrisksarehigh,RADisnotsuitableasalifecyclemodel.BusinessModelingDataModelingProcessModelingApplicat

5、ionGenerationTesting&DeliveryBusinessModelingDataModelingProcessModelingApplicationGenerationTesting&DeliveryTeam1Team2SWdevelopmentlifecycleIncrementalThefirstincrementisoftenacoreproductwherethebasicrequirementsareaddressed,butmanysupplementaryfeaturesremainundelivered.Thecoreproductisreview

6、edindetailbythecustomerandmaybeevenused.Asaresultofthedetailedreviewand/oruseofthecoreproductaplanisdevelopedforthenextincrement.Thisisthebestchoiceforprojectsthathashightechnicalrisks,andobjectiveisachievedbybreakingdowntheprojectorganizationandsystemsconstructionintomanageablesub-projects.In

7、crement1Deliveryof1stIncrementAnalysisDesignCodeTestIncrement2Deliveryof2ndIncrementAnalysisDesignCodeTestIncrement3Deliveryof3rdIncrementAnalysisDesignCodeTestSWdevelopmentlifecyclePrototypingTheanalystsdiscusswiththecustomertheoverall