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معماری سرویس گرا (۴)

اسلاید 1: 1Master of Information System ManagementService Oriented ArchitectureLecture 5: High Level Reference Architecture Part 2

اسلاید 2: 2Master of Information System ManagementHigh Level SOA Reference ArchitectureThese slides outline the document provide by IBM to CMU to guide CMU’s development of a Student Service Suite (S3) SOA.Work on this documented was completed in March of 2008.In this course, we will use this document as a case study in SOA design.See Blackboard’s Course Documents section.

اسلاید 3: 3Master of Information System ManagementOutlineEnterprise viewIT Systems ViewMiddleware viewSolution stack viewSOMA 3.1

اسلاید 4: 4Master of Information System ManagementReference Architecture Enterprise ViewBusiness participants from both inside and outside the organizationDelivery channelsBusiness services represent services the enterprise wants to expose to customers, partners and internal users (identified by SOMA)EIS bulk of data and logicESB routing, protocol mediation, and transformation

اسلاید 5: 5Master of Information System ManagementEnterprise View

اسلاید 6: 6Master of Information System ManagementReference Architecture IT Systems View (1)Technical overview of the architectureBusiness as usual elements plus SOA related elementsGateways (security & manageability)ESB (adapters, queues, brokers)Registries (several types) Service registry for service metadata LDAP registry for identities, access policies, certificates, configuration information

اسلاید 7: 7Master of Information System ManagementReference Architecture IT Systems View (2)Information services to provide information to consumers in a standard format despite how or where it might be storedProcess Services provide the ability to compose services together and choreograph their behavior to carry out business processesSecurity Services are enhanced to meet SOA requirementsSOA related development tools are important but not shown

اسلاید 8: 8Master of Information System ManagementIT Systems View

اسلاید 9: 9Master of Information System ManagementReference Architecture Middleware View (1)Business Application Services are at the core (fundamental & repeatable business tasks & identified by SOMA)Tool support for this layer: WebSphere app server JBOSS, Glassfish, etc…

اسلاید 10: 10Master of Information System ManagementReference Architecture Middleware View (2)Access Services Layer Dedicated to integrating existing applications and functions into an SOA.Tool Support of this layer: WebSphere Adapters BEA adapters Sun SeeBeyond Adapters,…Adapters implemented with J2EE Connector Architecture (JCA)

اسلاید 11: 11Master of Information System ManagementSome Notes on JCAAn EIS includes ERP systems, legacy systems, mainframe database and transaction processing systems.A resource adapter is written for the EIS.The adapter must communicate with the container and clients.JCA defines system contracts between the application server and resource adapters.JCA defines the client API of the resource adapter.A resource adapter is analogous to a JDBC driver.

اسلاید 12: 12Master of Information System ManagementReference Architecture Middleware View (3)Partner Services Layer Can be viewed as a special case of interaction services - representing the integration of external entitiesGovernment servicesOther higher education services, etc.

اسلاید 13: 13Master of Information System ManagementReference Architecture Middleware View (4)Interaction Services Layer - Captures the logic of presentation to the entities external to CMU - Web Frameworks, e.g., struts, JSF, Ruby on Rails, provide a configurable sequence flowTool Support for this layer: IBM WebSphere Portal Server JBOSS Portal Vignette (industry leading implementation of JSR-168 Web Services for Remote Portlet WSRP) Apache JetSpeed, JSF, Spring Framework, etc…

اسلاید 14: 14Master of Information System ManagementReference Architecture Middleware View (5)Process Services Layer Captures process flows and business rules.Tool Support: - IBM WebSphere Process Server (SCA and BPEL) - Apache Tuscany (SCA, SDO and BPEL) - Active BPEL - Glassfish - Oracle Business Rules using RETE rules engine - IBM bought ILOG and now has a rules engine - Redhat DROOLS

اسلاید 15: 15Master of Information System ManagementBusiness Process Using a Rules Engine Business Process Rules centralize Flow knowledge DecisionServiceFactsResultsRules EngineRulesRepositoryRules ManagementSDK

اسلاید 16: 16Master of Information System ManagementReference Architecture Middleware View (6)Information Services Layer Provide access to the persistent data of the business Provide access to business intelligence Tool support includes: Oracle RDBMS IBM DB2 Apache Derby MySQL Ingres DBMS (open source)

اسلاید 17: 17Master of Information System ManagementReference Architecture Middleware View (7)ESB delivers all interconnectivity capabilitiesTransport services, Event services and Mediation services (routing and transformation,logging,auditing)The ESB is a silent partner, transparent to servicesTool Support includes: IBM WebSphere ESB TIBCO ActiveMatrix JBOSS ESB Apache ServiceMix, etc…Registries are included in this layer.Tools include: IBM WebSphere Service Registry and Repository BEA AquaLogic Registry and Repository UDDI) etc…

اسلاید 18: 18Master of Information System ManagementReference Architecture Middleware View (8)Development Service LayerBusiness analysts need modeling tools.Software architects need to model data, flows, and system interactions.Software developers need to build business logic.Tools include: IBM Rational Software Architect IBM Rational Application Developer Eclipse Web Tools Platform Netbeans IDE (J2EE, Ruby,..) BEA workshop for WebLogic Jboss developer suite, etc…BPEL Source Editors IBM WebSphere Integration Developer Eclipse BPEL designer plug-in Netbeans, etc.

اسلاید 19: 19Master of Information System ManagementReference Architecture Middleware View (9)IT Services Management Layer monitors and manages deployed services.Tools include: IBM WebSphere Business Monitor BEA AquaLogic BPM Sun SeeBeyond, etc…Infrastructure Services Layer (Security, efficiency, integrity, balanced workload, etc..)Tools include: IBM Tivoli Composite Application Manager (ITCAM) IBM Tivoli Identity Manager (TIM) IBM Tivoli Access Manager (TAM) - security policies and authorization BEA AquaLogic Enterprise Security Sun Java System Access Manager

اسلاید 20: 20Master of Information System ManagementReference Architecture Middleware View (10)Infrastrcture Services Layer (continued) User Registries: Tools Include: IBM Tivoli Directory Server (LDAP-compliant) Microsoft Active Directory (LDAP-compliant) Novel eDirectory (LDAP-compliant) OpenLDAP, etc…

اسلاید 21: 21Master of Information System ManagementReference Architecture Middleware View (11)Business Innovation & Optimization ServicesLayerBusiness design toolsTools include: IBM WebSphere Business Modeler Model to UML or BPEL Microsoft Visio MagicDraw Sun SeeBeyond eInsight Process managerBusiness rules managementTools include: IBM Websphere process server Drools Jboss Rules, etc..

اسلاید 22: 22Master of Information System ManagementMiddleware View

اسلاید 23: 23Master of Information System ManagementSolution Stack View

اسلاید 24: 24Master of Information System ManagementSOMA(1)The Service Oriented Modeling and Architecture methodology - is used to identify candidate services. - provides guidance on the degree of service granularity. - may be compared with the OASIS SOA Adoption Blueprint - or Microsoft Motion

اسلاید 25: 25Master of Information System ManagementSOMA 3.1Service Oriented Modeling and Architecture

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