內(nèi)容講義課件service governance

1、1Governance Model Organization and GovernanceCore Governance TeamManagement Steering CommitteeSWAT team- Services Governance TeamStrategic Direction, Empowerment and ReviewDefine and maintain Governance ModelDefine Guidelines and Templates for LifecycleCreate Services Governance TeamReport to Manage

2、ment Steering CommitteeParticipate in the “Gates” of Asset LifecyclesFeedback to improve Governance Process, Templates and GuidelinesProvide SME expertise to Core Governance TeamAssetLibrarianMaintain the Enterprise Asset RepositoryMaintain the Services CatalogueParticipate in the Governance Lifecyc

3、leArchitectureDomainInfra-structureTechnologyServiceProvidersa.k.aPPsServiceMediation ServicePolicyOwnersBusiness ArchitectsServiceConsumers a.k.achannels 2Governance Model Federation Core Governance TeamSWAT team- Services Governance TeamDefine and maintain federated Governance ModelGovernance Mode

4、l focuses in “early lifecycle tasks”, i.e. identification, design, definition etcDefine Guidelines and Templates for LifecycleCreate Services Governance TeamReport to Management Steering CommitteeProvide the IT Governance guidelinesProvide Enterprise repository to store servicesProvide Compliance re

5、lated governance guidelinesService Identification and Definition happens following localized (federated) governance steps, while Post Service Definition and non design tasks happen inside federal (CATE) governanceAssetLibrarianMaintain the Enterprise Asset RepositoryMaintain the Services CataloguePa

6、rticipate in the Governance LifecycleArchitectureDomainInfra-structureTechnologyServiceMediation ServiceConsumers a.k.achannels CATE IT/SOA Governance TeamParticipate in the “Gates” of Asset LifecyclesFeedback to improve Governance Process, Templates and GuidelinesProvide SME expertise to Core Gover

7、nance Team3Run Time GovernanceSLA management and monitoringPolicy EnforcementChange ManagementDashboard and AlertsGovernance Model - Citi Evolution to SOA GovernanceService CatalogBusiness Entity Model InceptionDomain IdentificationBusiness Process IdentificationEntity Identification as per Business

8、 ProcessNOTE: Entities span across Business ProcessDesign Time GovernanceCatalog validation for service reuseService Interface validation as per SOA guidelinesService Contract validation as per ProviderService Consumer RegistrationImplementation QAAcquisitionsPlatform/TechnologyMaturityFactors influ

9、encing GovernanceBusinessNeedsService Identification ProcessBusiness Process position leads to service identificationService Catalog must be consulted for reuseService Identification driven by Business representativesGranularity of services are per Business perceptionService Contract and Interface i

10、ntegral part of Service DefinitionService Consumers identified upfrontNew/Changed Service Definition is catalogedBusiness Entity Model GovernanceDomain based entity models Entity model evolves as more services are inductedChanges to entity model are managed centrallyService Interface use entities fo

11、r definitionAspects intermingled with each stageVersioningService InventoryGovernance Infrastructure4Governance Model - Service Life Cycle FrameworkService Life CycleGate:Service Spec ApprovalBuild & EvolveEntity Model Deliverables:Domain SpecificationIdentity DomainEntity Model ApprovalEntity Model

12、 SpecsEvolve Business Entity ModelEntity Model Schema ApprovalDetailed Entity Model as SchemaEvolve attributes per entityGate:Service Spec ApprovalService Identification Process Deliverables:Service SpecificationService IdentificationAs per Business ProcessService Reuse ApprovalService Reuse DocRefe

13、r Service CatalogFor ReuseFunctional Spec ApprovalFunctional SpecificationBusiness Process positionSI & SC Approval & Catalog UpdateService Interface & ContractService Definition &CatalogingUser & UpdateEntitiesStart ServiceSchedule Service ShutdownStop ServiceGate:Deliverables:Retire ServiceRequest

14、 Services RetirementGate:Deliverables:Service Retirement RequestService Retirement AnnouncementService Retirement ApprovalNoneEndRetire ServiceRequest Services RetirementGate:Deliverables:Service Retirement RequestService Retirement AnnouncementService Retirement ApprovalService CatalogueEndGate:Dep

15、loyment ApprovalImplementation ApprovalDesign, Build, and Test ServiceDeploy Service and Service Usage InfoDesign ArtifactsDeployable ComponentsService Discovery ArtifactsDevelop Service Spec and EstimatesService SpecificationDeliverables:Design, Build, and Test ServiceDeploy Service and Service Usa

16、ge InfoDesign ArtifactsDevelop Detailed Service Spec and Estimates Service SpecificationService Catalogue Design Time GovernanceDesign Time GovernanceRun Time GovernanceDeploy Service and Service Usage InfoClient Registration RequestClient RegistrationProcessClient Registration Request ApprovalPolic

17、y & SLAEnforcementPolicy & SLAMonitoringPolicy & SLAAlert & DashboardService DeploymentRun Time Policy development55SOA Methodology Blended Approach - Top Down and Bottom UpAnalyze processing requirementsIdentify service compositionsRefine & apply principlesCreation of service candidatesIdentificati

18、on of operation candidates position of business processBusiness Process IdentificationBlended ApproachRefine & apply principlesCreation of service candidatesServices CatalogEBSECSMining of service candidates from existing discrete functionality Discover, Rationalize and expose existing discrete functionality as serviceService thus exposed form the building blocks of “what we have” Jumpstarts SOA journeyConsume, optimize and enhance services from the initial jumpstart Run the Top Down process Consume, optimize and enhanc