TOGAF ADM – Phase C – Information Systems Architectures – Application Architecture

By | January 23, 2015
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Objectives

  • Develop the Target Application Architecture that enables the Business Architecture and the Architecture Vision, while addressing the Request for Architecture Work and stakeholder concerns
  • Identify candidate Architecture Roadmap components based upon gaps between the Baseline and Target Application Architectures

Steps

  • Select reference models, viewpoints, and tools
  • Develop Baseline Application Architecture Description
  • Develop Target Application Architecture Description
  • Perform gap analysis
  • Define candidate roadmap components
  • Resolve impacts across the Architecture Landscape
  • Conduct formal stakeholder review
  • Finalize the Application Architecture
  • Create Architecture Definition Document

Inputs

  • Request for Architecture Work
  • Capability Assessment
  • Communications Plan
  • Organizational Model for Enterprise Architecture
  • Tailored Architecture Framework
  • Application 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 or high-level)
    • Target Data Architecture (detailed or high-level)
    • Baseline Application Architecture (high-level)
    • Target Application Architecture (high-level)
    • Baseline Technology Architecture (high-level)
    • Target Technology Architecture (high-level)
  • Draft Architecture Requirements Specification including:
    • Gap analysis results
    • Relevant technical requirements
  • Business and Data Architecture components of an Architecture Roadmap

Outputs

  • Statement of Architecture Work, updated if necessary
  • Validated application principles, or new application principles
  • Draft Architecture Definition Document containing content updates:
    • Baseline Application Architecture
    • Target Application Architecture
    • Application Architecture views corresponding to the selected viewpoints, addressing key stakeholder concerns
  • Draft Architecture Requirements Specification including content updates:
    • Gap analysis results
    • Application interoperability requirements
    • Relevant technical requirements that will apply to this evolution of the architecture development cycle
    • Constraints on the Technology Architecture
    • Updated business requirements
    • Updated data requirements
  • Application Architecture components of an Architecture Roadmap