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| Criterion |  Operations A3 Problem Solving |  DevOps ChatOps |  DevOps Game Day |  Operations Kaizen Event |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 45-90 min | Ongoing | Halber Tag | 0.5-5 Tage |
Participantsdifferent | 2-5 | 2-20 | 5-20 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Chat Transcript, Action Log, Automations | Simulation Notes, Gaps List, Updated Runbooks | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | LeanProblem solvingCoachingOperations | CollaborationEngineeringIncident | ResilienceOperationsIncident | LeanContinuous improvementOperations |