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| Criterion |  DevOps Game Day |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Fishbone Diagram |  Operations Root Cause Analysis |
|---|---|---|---|---|
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. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | Halber Tag | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min | 1-4 h |
Participantsdifferent | 5-20 | Designers, developers as users, and facilitation | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ResilienceOperationsIncident | ArchitectureEngineeringFeedbackValidationTasks | Root causeQualityOperations | Root causeProblem solvingQualityIncident |