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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  DevOps Game Day |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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 problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Halber Tag | 1-3 h |
Participantsdifferent | Designers, developers as users, and facilitation | 5-20 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Simulation Notes, Gaps List, Updated Runbooks | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | ResilienceOperationsIncident | Root causeTreeIncidentQuality |
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