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| Criterion |  Decision Making DACI |  DevOps Game Day |  DevOps Blameless Postmortem |  Operations RACI Matrix |
|---|---|---|---|---|
Purposedifferent | 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. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. | 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. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 30-60 min | Halber Tag | 30-90 min | 45-90 min |
Participantsdifferent | 2-10 | 5-20 | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Simulation Notes, Gaps List, Updated Runbooks | Postmortem Doc, Action Items, Timeline | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | DecisionRolesGovernanceAlignment | ResilienceOperationsIncident | Site Reliability EngineeringIncidentLearningReliability | RolesResponsibilityGovernanceOperations |