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| Criterion |  Engineering Failure Scenario Analysis |  DevOps Incident Command |  Decision Making Assumption Surfacing |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 h | As needed | 45-90 min | 30-90 min |
Participantsdifferent | 3-8 | 4-15 | 2-8 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Incident Log, Action Tracker, Stakeholder Updates | Assumption List, Critical Assumptions, Learning Plan | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | FailureResilienceRisk | IncidentOperationsReliability | AssumptionsRiskDecisionDiscovery | Site Reliability EngineeringIncidentLearningReliability |