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| Criterion |  Engineering Failure Scenario Analysis |  Operations A3 Problem Solving |  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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 45-90 min | 30-90 min |
Participantsdifferent | 3-8 | 2-5 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | A3 Report, Action Plan, Root Cause Analysis | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | FailureResilienceRisk | LeanProblem solvingCoachingOperations | Site Reliability EngineeringIncidentLearningReliability |
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