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1、PaaS模式下私有云政务架构设计与实现explained.Secondly,basedontheconstructionofoverallarchitectureofE-Governmentsysteminprivatecloud,correspondingcomponentslocatedineachlayerofIaaS,PaaS,SaaSarestatedindetail.AfterbuildingthelogicalarchitectureofPaaScomponents,wefurthertodescribecomponents’functionandrelation
2、shipamongcomponents.Next,inordertomeettransformationalrequirementsofmodernE-Governmentsystemfromtraditionaloperationmodecharacterizedbydepartment-centrictothemodeunderpinnedbyuser-centricservices,withreferencetotheoverallE-GovernmentframeworkofAmerica,weputforwardanovelclassificationmodelofs
3、ervicesinmodernE-Governmentsystembasedontop-leveldesignapproach,anddescribetheconcreteconstructionblueprintbyturns.Finally,followingaftersettinguptheinfrastructureofprivatecloudforE-Governmentandinterpretingservicelibrary,theimplementationmechanismsandstepsofservicedescription,serviceregistr
4、ation,serviceconfigurationandservicequeryaregivenindetail.Forbusinesslineservice,onthebasisofdefiningtheserviceinterface,wetakenewsmanagementasthetargetanddescribetherealizationmechanismsabouttheworkflowofpressrelease,relatedservicecall,workflowdeploymentandrelease.Forrightsmanagement,weprov
5、ideeachprocessofaddingrights,rightsassignmentbasedonrole,androleassignmentaccordingtoidentity.PreliminaryanalysisandapplicationtestshowthatprivatecloudbasedonPaaSmodelforE-Governmentcannotonlyimprovetheefficiencyofsystemdevelopment,reducegovernmentexpenditure,butalsocanimprovetheoverallperfo
6、rmanceandsecurityprotectionabilityofthesystem.Inshort,buildingandusingprivatecloudbasedonPaaSmodelwillcertainlybeinevitabletrendinafutureperiod-of-timeformodernE-Government.Keywords:E-Government;Service;PaaS;SOA;PrivateCloudIVPaaS模式下私有云政务架构设计与实现目录第一章绪论........................................
7、.....................11.1研究背景............................................................11.2研究意义............................................................31.3国内外研究现状......................................................41.3.1国外研究现状..............
