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- In an ideal SOA environment applications do not exist as independent silos
- Instead each new business process joins the pool of available "enterprise services"
- New application projects reuse or if needed extend existing business processes
- Only where a business process hasn't been created yet is a new program created
Multi-tier = Division of labor in our software
Provides:
- Industry best practice
- Simplifies maintenance
- Promotes code reuse
- Stability
- Manageability of complex applications