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| Criterion |  DevOps Game Day |  Decision Making Pre-Mortem |  Engineering Failure Scenario Analysis |  Operations ALPEN Method |
|---|---|---|---|---|
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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | Halber Tag | 20–45 min | 1-3 h | 10-20 min daily |
Participantsdifferent | 5-20 | Small cross-functional group | 3-8 | 1 |
Formatdifferent | Workshop | Workshop | Workshop | Async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Risk list, Mitigation plan, Assumption log | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ResilienceOperationsIncident | RiskDecisionFailurePlanning | FailureResilienceRisk | PlanningTime managementProductivityOperations |