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| Criterion |  Operations Failure Mode and Effects Analysis |  Operations Fault Tree Analysis |  DevOps Incident Command |
|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to 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. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | 2-6 h | As needed |
Participantsdifferent | 3-10 | 3-8 | 4-15 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | RiskQualityOperationsRoot cause | RiskRoot causeSafety | IncidentOperationsReliability |
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