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| Criterion |  Engineering Fault Isolation |  DevOps ChatOps |  Operations A3 Problem Solving |  DevOps Game Day |
|---|---|---|---|---|
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 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. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 30-180 min | Ongoing | 45-90 min | Halber Tag |
Participantsdifferent | 1-6 | 2-20 | 2-5 | 5-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Chat Transcript, Action Log, Automations | A3 Report, Action Plan, Root Cause Analysis | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | TroubleshootingDiagnosisEngineering | CollaborationEngineeringIncident | LeanProblem solvingCoachingOperations | ResilienceOperationsIncident |