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| Criterion |  DevOps Blameless Postmortem |  Architecture Architecture Decision Record |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 30-90 min | 15-45 min | 30-60 min | 45-90 min |
Participantsdifferent | 3-12 | 1-3 | 2-10 | 3-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |