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| Criterion |  DevOps Incident Command |  Architecture Request for Comments |  DevOps Blameless Postmortem |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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 RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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. | 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 | Medium | Medium | Medium | Low |
Timedifferent | As needed | 1-3 Wochen vom Draft bis zur Entscheidung | 30-90 min | 30-60 min |
Participantsdifferent | 4-15 | 3-20 Reviewer | 3-12 | 2-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Postmortem Doc, Action Items, Timeline | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | IncidentOperationsReliability | ArchitectureDecisionAsyncGovernance | Site Reliability EngineeringIncidentLearningReliability | DecisionRolesGovernanceAlignment |