A4 — Architecture Methology

Purpose & Usage

The A4 is concerned with methodology used in developing the architecture.

• Architecture Management & Review.
• Architecture project management.

Scope

• Shall contain the Architecture Projects and the Methodologies it uses and Methodology extensions.
• May show the Standards that apply to the Methodology.
• May show the Architecture Description that document the projects.

Representation

• Tabular.
• Text Document.

Cut-out (Meta-model)

flowchart LR
    AD["Architecture Description"]:::arch
    AP["Architecture Project"]:::arch
    Methodology:::arch
    Standard:::arch
    AD -->|"documents"| AP
    AP -->|"uses"| Methodology
    Methodology -->|"extends"| Methodology
    Methodology -->|"applies"| Standard
    classDef arch fill:#FFE699,stroke:#806000,color:#000

NAFv4 Compliant Example

flowchart LR
    Model["«Architecture Description» SAR Concept 2025 Model"]:::arch
    Project["«Architecture Project» SAR Concept 2025 Project"]:::arch
    MThreads["«Methodology» Mission Threads"]:::arch
    NAFv4["«Methodology» NAFv4"]:::arch
    TOGAF["«Standard» TOGAF"]:::arch
    IM["«Standard» NAFv4 Information Model"]:::arch
    Model -->|"documents"| Project
    Project -->|"uses"| MThreads
    MThreads -->|"extends"| NAFv4
    NAFv4 -->|"extends"| TOGAF
    NAFv4 -->|"applies"| IM
    classDef arch fill:#FFE699,stroke:#806000,color:#000