SOA typically represents a long-term strategic commitment and requires several evolutions to most enterprise computing environments. In the context of SOA, a reference model establishes the long-term vision for implementing SOA. More specifically, an SOA reference model provides technical guidance to an organization in becoming a Service Oriented Enterprise; it describes all the domains where the enterprise computing environment must evolve or where the organization must gain more maturity. 

Domain Area Details:

• Core Concepts
• Architectural Principles
• Service Classes
• SOA Infrastructure
• Operational Management
• Security