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| Criterion |  DevOps Game Day |  Operations A3 Problem Solving |  Architecture ARID (Active Reviews for Intermediate Designs) |  DevOps Incident Command |
|---|---|---|---|---|
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 complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | 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. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | Halber Tag | 45-90 min | 2–4 h review as a planning range; preparation and evaluation additional | As needed |
Participantsdifferent | 5-20 | 2-5 | Designers, developers as users, and facilitation | 4-15 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | A3 Report, Action Plan, Root Cause Analysis | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | ResilienceOperationsIncident | LeanProblem solvingCoachingOperations | ArchitectureEngineeringFeedbackValidationTasks | IncidentOperationsReliability |