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| Criterion |  DevOps Game Day |  Systems Thinking Current Reality Tree |  Operations ALPEN Method |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 | High | High | Low | Medium |
Timedifferent | Halber Tag | 2-6 h | 10-20 min daily | 2-4 h |
Participantsdifferent | 5-20 | 3-8 | 1 | 2-6 |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Current Reality Tree, Core Problems, Intervention Ideas | Daily Plan, Time Estimates, Review Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ResilienceOperationsIncident | Systems thinkingRoot causeConstraintsCausality | PlanningTime managementProductivityOperations | Root causeSafetyIncident |