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| Criterion |  Architecture Architecture Decision Record |  Operations Failure Mode and Effects Analysis |  Architecture Risk Storming |
|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitydifferent | Low | High | Low |
Timedifferent | 15-45 min | 2-6 h | 60-90 min |
Participantsdifferent | 1-3 | 3-10 | 4-12 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | FMEA Table, Risk Priority, Mitigation Actions | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RiskQualityOperationsRoot cause | RiskArchitectureWorkshopValidation |
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