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| Criterion |  Operations RACI Matrix |  DevOps Incident Command |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. | 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 | Medium | Low | Low |
Timedifferent | 45-90 min | As needed | 15-45 min | 30-60 min |
Participantsdifferent | 2-8 | 4-15 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | Incident Log, Action Tracker, Stakeholder Updates | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | RolesResponsibilityGovernanceOperations | IncidentOperationsReliability | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |