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| Criterion |  Architecture Architecture Decision Record |  Operations RACI Matrix |  Operations ABC Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-45 min | 45-90 min | 30-60 min |
Participantsdifferent | 1-3 | 2-8 | 1-5 |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | ADR File, Decision Log, Rationale | RACI Matrix, Responsibility Map, Decision Notes | ABC Classification, Focus Rules, Control List |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RolesResponsibilityGovernanceOperations | PrioritizationOperationsPortfolio |
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