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| Criterion |  Architecture Architecture Decision Record |  Operations ALPEN Method |  DevOps Incident Command |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 15-45 min | 10-20 min daily | As needed | Halber Tag |
Participantsdifferent | 1-3 | 1 | 4-15 | 5-20 |
Formatdifferent | Async | Async | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Daily Plan, Time Estimates, Review Notes | Incident Log, Action Tracker, Stakeholder Updates | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | PlanningTime managementProductivityOperations | IncidentOperationsReliability | ResilienceOperationsIncident |