TOGAF: ADM Technology Architecture

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  • ADM Phase D


Togaf adm technology architecture.gif

  • Develop the Target Technology Architecture that enables the logical and physical application and data components and the Architecture Vision, addressing the Request for Architecture Work and stakeholder concerns
  • Identify candidate Architecture Roadmap components based upon gaps between the Baseline and Target Technology Architectures

Architecture Repository

The AR would store components like:

  • Existing IT services as documented in the IT repository or IT service catalog
  • TOGAF Technical Reference Model (TRM)
  • Generic technology models relevant to the organization's industry "vertical" sector
  • Technology models relevant to Common Systems Architectures


Inputs to Technology Architecture are:

  1. outputs from Information Systems Architecture and earlier phases


Steps in Technology Architecture are:

  1. Select reference models, viewpoints and tools
    • Classify products within the TOGAF TRM
  2. Develop baseline Technology Architecture Description
  3. Develop target Technology Architecture Description
  4. Perform Gap Analysis
  5. Define roadmap components
  6. Resolve impacts across the Architecture Landscape
  7. Conduct formal stakeholder review
  8. Finalize the Technology Architecture
  9. Create the Architecture Definition Document


Architecture Deliverable outputs of Technology Architecture are:

  1. TOGAF: Statement of Architecture Work (updated)
  2. Validated technology principles, or new technology principles
  3. Draft TOGAF: Architecture Definition Document (containing updates)
  4. Draft TOGAF: Architecture Requirements Specification (include updates)
  5. Technology Architecture components of an TOGAF: Architecture Roadmap

Architecture Artifacts may include the following:

  • Catalogs:
    • Technology Standards catalog
    • Technology Portfolio catalog
  • Matrices:
    • Application/Technology matrix
  • Diagrams:
    • Environments and Locations diagram
    • Platform Decomposition diagram
    • Processing diagram
    • Networked Computing/Hardware diagram
    • Communications Engineering diagram

Security Adaptations for ADM

  • etc...
  • Identify the trust (clearance) levels for the system
  • etc...
  • Identify mitigating security measures, where justified by risk assessment
  • Determine what can go wrong

See TOGAF: ADM Security Architecture

Related ADM Phases