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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  DevOps Game Day |  Operations 5 Whys |
|---|---|---|---|
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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Halber Tag | 15-30 min |
Participantsdifferent | Designers, developers as users, and facilitation | 5-20 | 2-6 |
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 | Root cause notes, Countermeasures |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | ResilienceOperationsIncident | Root causeIncidentLeanProblem solving |
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