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| Criterion |  Operations ABC Analysis |  Architecture Architecture Decision Record |  Architecture C4 Model |  Operations RACI Matrix |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 15-45 min | 1-4 h | 45-90 min |
Participantsdifferent | 1-5 | 1-3 | 1-5 | 2-8 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | PrioritizationOperationsPortfolio | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | RolesResponsibilityGovernanceOperations |