🏢
Business Architecture (Phase B)
The WHY and HOW of the enterprise
Business strategy, goals, and key business drivers
Organisational structures and functions
Business capabilities and value streams
Business processes and roles
Key deliverable: Business Architecture Definition Document
💾
Data Architecture (Phase C)
The information assets of the enterprise
Types and sources of data required by the enterprise
Logical and physical data models
Data management, quality, and lifecycle policies
Data governance and master data management
Key deliverable: Data Architecture Definition Document
📱
Application Architecture (Phase C)
The applications that process data
Application portfolio — what systems exist and are needed
Application interactions and dependencies
Application-to-function mappings
Legacy systems and candidate replacements
Key deliverable: Application Architecture Definition Document
⚙️
Technology Architecture (Phase D)
The infrastructure that runs everything
Software and hardware infrastructure components
Network and communications infrastructure
Technology standards and platforms
Cloud, virtualisation, and security infrastructure
Key deliverable: Technology Architecture Definition Document