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| Criterion |  Engineering Fault Isolation |  DevOps ChatOps |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-180 min | Ongoing | 15-30 min |
Participantsdifferent | 1-6 | 2-20 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Chat Transcript, Action Log, Automations | Root cause notes, Countermeasures |
Tagsno overlap | TroubleshootingDiagnosisEngineering | CollaborationEngineeringIncident | Root causeIncidentLeanProblem solving |
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