the design document design phase deliveries

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1、TheDesignDocumentDesignphase:deliveries•Maindelivery:designdocumentDesign=anactivitythatgivesstructuretothesolutiontoagivenproblem•thedesignphasestartswiththerequirementsdocumentandmapstherequirementsintoarchitecture•thearchitecturedefinesthecomponents,theirinterfacesand

2、behaviors•thedesigndocumentdescribesaplantoimplementtherequirements•detailsoncomputerprogramminglanguagesandenvironments,machines,packages,applicationarchitecture,distributedarchitecturelayering,memorysize,platform,algorithms,datastructures,globaltypedefinitions,interfac

3、es,andmanyotherengineeringdetailsareestablished•mayincludetheusageofexistingcomponentsDesigndocumenttemplate(1)•Introduction•PoliciesandTactics•SystemOverview–policy/tactic-1nameor•DesignConsiderationsdescription–Assumptionsand–policy/tactic-2nameorDependenciesdescriptio

4、n–GeneralConstraints–...–GoalsandGuidelines•DetailedSystemDesign–DevelopmentMethods–module-1nameordescription•ArchitecturalStrategies–module-2nameor–strategy-1nameordescriptiondescription–...–strategy-2nameordescription•Glossary–...•Bibliography•SystemArchitecture–compon

5、ent-1nameordescription–component-2nameordescription–...(Softwareprojectssurvivalguide)Designdocumenttemplate(2)•Introduction–Describethepurpose,scopeandintendedaudience–Identifythesystem/productusinganyapplicablenamesand/orversionnumbers.–Providereferencesforanyotherpert

6、inentdocumentssuchas:•Relatedand/orcompaniondocuments•Prerequisitedocuments•Documentswhichprovidebackgroundand/orcontextforthisdocument•Documentsthatresultfromthisdocument(e.g.atestplanoradevelopmentplan)–Defineanyimportantterms,acronyms,orabbreviations–Summarize(orgivea

7、nabstractfor)thecontentsofthisdocument.Designdocumenttemplate(3)•SystemOverview–Provideageneraldescriptionofthesoftwaresystem:•functionalityand•mattersrelatedtotheoverallsystemanditsdesign•[discussionofthebasicdesignapproachororganization]•DesignConsiderations–describesm

8、anyoftheissueswhichneedtobeaddressedorresolvedbeforeattemptingtodeviseacompletedesignsolution•Assumptio