Enterprise Architecture Current State Template
posted by Anna Mar, January 13, 2011The following template captures your high level enterprise architecture. A separate document is normally created for each business line and shared service. Such documents are often referred to as Current State Blueprints or Current State Architecture.
The template captures business, data and implementation architecture at three levels: conceptual, logical and physical. This layout allows the document to be filled out in sequence from high level to low level.
1. Business Functionality
1.1 Business Overview1.2 Business Capabilities
1.3 Business Drivers
1.4 Business Environment
1.4.1 Industry Overview
1.4.1 Industry Trends
1.4.1 Competitive Environment
1.4.1 Regulatory Pressures
1.5 Key Success Factors
1.6 Metrics and Key Indicators
2. Data Catalog
2.1 Data Catalog2.2 Data to Business Capability Mapping
2.3 Shared Data
3. Technology Stack
3.1 Frameworks3.2 Systems
3.3 Technologies
3.4 Patterns and Techniques
4. Business Capability to System Map
Map business capabilities to technology capabilities and systems.5. Data Flow
5.1 Data Consumers and Producers5.2 Data Flows and Transformations
5.3 Reference data
6. System to Component Map
Map business capabilities, technology capabilities and systems to services and components.7. Business Process Flows
Business process flows and how they relate to underlying systems.8. Data Models
8.1 ERDs8.2 Schemas
8.3 Data Lifecycles
8.4 Integration Flows and Transformations
8.5 Detailed Data Dictionary
9. Deployment Diagrams
Deployment diagrams including network topology and geographical locations.
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