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| Criterion |  Architecture Architecture Decision Record |  Operations RACI Matrix |  Operations Getting Things Done |  Decision Making DACI |
|---|---|---|---|---|
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 open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-45 min | 45-90 min | 1-2 h Setup, laufend | 30-60 min |
Participantsdifferent | 1-3 | 2-8 | 1 | 2-10 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | RACI Matrix, Responsibility Map, Decision Notes | Action Lists, Project List, Review Routine | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RolesResponsibilityGovernanceOperations | ProductivityPlanningTasksExecution | DecisionRolesGovernanceAlignment |