最新信息时代的信息系统chap007教学讲义ppt课件.ppt

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1、信息时代的管理信息系统Chap007STUDENTLEARNINGOUTCOMESDescribehowaservice-orientedarchitecturecanbeusedasaphilosophicalapproachtohelptheorganizationofthefuture.Defineanddescribethevarioushardwareandsoftwareinfrastructureconsiderations.CompareandcontrastcommonlyusedmetricsforassessingthesuccessofITsystems.De

2、scribebusinesscontinuityplanning(BCP)anditsphases7-2STATEOFCALIFORNIADIGSITSELFOUTOFATECHNOLOGYHOLECalifornia’sGovernorArnoldSchwarzeneggerwantsthestateofbean“elite”informationtechnologyorganizationThat’sachallengingtaskforagovernmententityTeriTakai,thefirststatewideCIO,hasherworkcutoutforher7-

3、3INTRODUCTION:SoAIntroducedSoAinChapter6Service-orientedarchitecture(SoA)-perspectivethatfocusesonthedevelopment,use,andreuseofsmallself-containedblocksofcode(calledservices)tomeetallapplicationsoftwareneedsSoftwarecodeisnotdevelopedsolelyforasingleapplicationRatherservicesarebuiltthatcanbeused

4、andreusedacrossallapplications7-7INTRODUCTION:SoACanextendSoAtotheentireorganizationAnSoAorganizationwouldbe…LeanandagileusingresourcesinthebestwayProactiveinaddressingchangesinthemarketQuicktorespondandadapttoadvancesintechnologyTransformationalinitsprocesses,structureandHRinitiativestomatchac

5、hanginganddynamicworkforce7-8INTRODUCTION:SoASoAfocusedspecificallyonITCustomersEndusersSoftwaredevelopmentInformationneedsHardwarerequirements7-9INTRODUCTION:SoACustomersshouldbeableto“plugandplay”intoyourorganizationandhavethesamepleasurableexperienceregardlessofthechannel7-10INTRODUCTION:SoA

6、Endusersshouldhaveaccesstowhateverinformationandsoftwaretheyneedregardlessofwherethey(theendusers)are7-11INTRODUCTION:SoASoftwaredevelopmentshouldfocusonreusablecomponents(services)toacceleratesystemsdevelopment.Thismeansusingcomponent-baseddevelopmentmethodologiesandtakingadvantageofexcitingWe

7、b2.0applications.7-12INTRODUCTION:SoAInformationwouldbetreatedappropriatelyasavaluableorganizationalresource–protected,managed,organized,andmadeavailabletoeveryonewhoneedsit.7-13INTRODUCTION:SoAHardwareisbothintegratedandtranspare