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| Criterion |  DevOps Blameless Postmortem |  Architecture Risk Storming |  DevOps Incident Command |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-90 min | 60-90 min | As needed | 45-60 min |
Participantsdifferent | 3-12 | 4-12 | 4-15 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Annotated Diagram, Prioritized Risk List, Action Backlog | Incident Log, Action Tracker, Stakeholder Updates | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | RiskArchitectureWorkshopValidation | IncidentOperationsReliability | AssumptionsRiskExperimentsValidation |