SOA (Service-Oriented Architecture)

SOA (Service-Oriented Architecture)

1. Benefits

   • Reusability
     • Business services
   • Interoperability
     • Loosely Coupled Service
   • Scalability and flexibility
     • Coarse-grained
     • Document-oriented
     • Asynchronous services
   • Cost efficiency
     • Standards-based approach

2. Enterprise Challenge

   • Application development and integration issues
     • Lack of flexibility
     • Not standards-based
     • Project costs and long duration
   • Traditional methodologies
     • Point-to-point
     • Enterprise Application Integration

3. Eight-Domain Model

   • Technology Dominated
     • Architecture
     • Infrastructure
     • Information
     • Operations, Administration, and Managment
   • Organizational Disciplines
     • Business and Strategy
     • Organization
     • Governance
     • Project, Portfolios and Services

4. Services

   • Service: A service is essentially a process that performs a specific business function, such as validating a credit card submitted with a customer order. Web Service: is a service that performs discrete business functions. Interaction with a Web service is based on a set of standard protocols and technologies
   • Types of Service Access and Implementation
     • Existing functionality
     • Enterprise Information System(EIS)
       • Legacy applications
     • New Applications

5. SOA Governance

   • Benefits
     • Business Value
     • Alignment
     • Business Agility
     • Risk reduction
     • Cost savings
   • Characteristics
     • People
     • Process
     • Service
     • Technology
   • Service Life-Cycle Management
     • Facets
       • Service development and delivery management
       • Infrastructure and management in support of SOA
     • Phases of Service Life Cycle
       • Design
         • Build
           • Publish
             • Deploy
               • Manage
                 • Consume
                   • Retire
   • Defined as a set of
     • Policies (What)
     • Processes (how)
     • Decisions (who)

6. SOA Infrastructure

   • Web Services, Legacy services & DB services
   • Adapters
   • Enterprise Service Bus (ESB)
   • Rules Engine
   • Business Process Execution Language (BPEL)
   • Human workflow
   • Business Activity Monitoring (BAM)

7. Components

   • Service Infrastructure
   • Oracle Mediator
   • Oracle Adapter
   • Business Events & event delivery network
   • Metadata Business Rules
   • Oracle WSM Policy Manager
   • Human Task
   • Oracle BAM
   • Oracle User Messaging Service
   • Oracle B2B
   • Oracle JDeveloper
   • Oracle Enterprise Manager