TOGAF 9.2: Phase – D – Technolgy Architecture

Steps and Output under Phase D are described here :

Steps

• Select Reference Models, Viewpoints, and related tools
• Develop the baseline architecture description
• Understand the current data architecture and
• Develop the target data architecture description.
• Perform the gap analysis between current and target data Architecture
• Define the candidate roadmap from the outcome of the gap analysis
• Resolve the impacts across the architectural landscape,
• Conduct the formal review of the Target data architecture roadmap with stakeholders.
• Finalize the Technology architecture
• Create architecture definition document Ver. 1.0

Inputs

• Request for Architecture Work
• Capability Assessment
• Communications Plan
• Organizational Model for Enterprise Architecture
• Tailored Architecture Framework
• Technology Principles
• Statement of Architecture Work
• Architecture Vision
• Architecture Repository
• Draft Architecture Definition Document containing:
• Baseline Business Architecture (detailed)
• Target Business Architecture (detailed)
• Baseline Data Architecture (detailed)
• Target Data Architecture (detailed)
• Baseline Application Architecture (detailed)
• Target Application Architecture (detailed)
• Baseline Technology Architecture (high-level)
• Target Technology Architecture (high-level)
• Draft Architecture Requirements Specification including:
  • Gap analysis results
  • Relevant technical requirements
• Business, Data, and Application Architecture
• Components of an Architecture Roadmap

Artifacts Generated

• Statement of Architecture Work, updated if necessary
• Validated technology principles or new
• technology principles (if generated here)
• Draft Architecture Definition Document containing content updates:
  • Baseline Technology Architecture, if appropriate
  • Target Technology Architecture
  • Technology Architecture views corresponding to the selected viewpoints, addressing key stakeholder concerns
• Draft Architecture Requirements
  • Specification including content updates:
  • Gap analysis results
  • Requirements output from Phases B and C
• Updated technology requirements
• Technology Architecture components of an Architecture Roadmap

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