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| Criterion |  DevOps ChatOps |  Decision Making Wideband Delphi |  Operations 8D Problem Solving |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | High | High | Low |
Timedifferent | Ongoing | 1-4 h or multiple rounds | 1-6 Wochen | 15-30 min |
Participantsdifferent | 2-20 | 4-12 Experten | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Chat Transcript, Action Log, Automations | Estimate Range, Assumption Log, Expert Consensus Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Root cause notes, Countermeasures |
Tagsno overlap | CollaborationEngineeringIncident | EstimationExpertsForecasting | QualityProblem solvingRoot cause | Root causeIncidentLeanProblem solving |