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| Criterion |  Operations RACI Matrix |  DevOps Blameless Postmortem |  Operations After-Action Review |  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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 | 30-90 min | 20-45 min | 30-60 min |
Participantsdifferent | 2-8 | 3-12 | 3-12 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | RolesResponsibilityGovernanceOperations | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement | DecisionRolesGovernanceAlignment |