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| Criterion |  Architecture Architecture Decision Record |  Architecture Risk Storming |  Operations Root Cause Analysis |
|---|---|---|---|
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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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 | Low | Low | Medium |
Timedifferent | 15-45 min | 60-90 min | 1-4 h |
Participantsdifferent | 1-3 | 4-12 | 3-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Annotated Diagram, Prioritized Risk List, Action Backlog | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RiskArchitectureWorkshopValidation | Root causeProblem solvingQualityIncident |
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