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| Criterion |  Architecture Quality Attribute Workshop |  Operations Failure Mode and Effects Analysis |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | 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. | 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 | Medium | High | Medium |
Timedifferent | 2-4 h | 2-6 h | 1-4 h |
Participantsdifferent | 5-15 | 3-10 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Quality Scenarios, Priority List, Architecture Concerns | FMEA Table, Risk Priority, Mitigation Actions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | RequirementsArchitectureWorkshop | RiskQualityOperationsRoot cause | Root causeProblem solvingQualityIncident |
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