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| Criterion |  DevOps ChatOps |  DevOps Game Day |  Systems Thinking Current Reality Tree |  Operations Barrier Analysis |
|---|---|---|---|---|
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. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | Ongoing | Halber Tag | 2-6 h | 2-4 h |
Participantsdifferent | 2-20 | 5-20 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | Simulation Notes, Gaps List, Updated Runbooks | Current Reality Tree, Core Problems, Intervention Ideas | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | CollaborationEngineeringIncident | ResilienceOperationsIncident | Systems thinkingRoot causeConstraintsCausality | Root causeSafetyIncident |