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| Criterion |  DevOps Blameless Postmortem |  Architecture Request for Comments |  Decision Making Decision Rights Mapping |  DevOps Incident Command |
|---|---|---|---|---|
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 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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min | As needed |
Participantsdifferent | 3-12 | 3-20 Reviewer | 4-12 | 4-15 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Rights Matrix, Agreement | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ArchitectureDecisionAsyncGovernance | DecisionGovernanceAlignmentResponsibility | IncidentOperationsReliability |