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| Criterion |  DevOps Game Day |  Operations Barrier Analysis |  Operations ALPEN Method |  Operations Causal Factor 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. | 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. | 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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | High | Medium | Low | High |
Timedifferent | Halber Tag | 2-4 h | 10-20 min daily | 2-6 h |
Participantsdifferent | 5-20 | 2-6 | 1 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Daily Plan, Time Estimates, Review Notes | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | ResilienceOperationsIncident | Root causeSafetyIncident | PlanningTime managementProductivityOperations | CausalityIncidentRoot causeTimeline |