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Selected:ATAM (Architecture Tradeoff Analysis Method)Quality Attribute WorkshopFailure Mode and Effects AnalysisRisk Storming
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Quality Attribute Workshop |  Operations Failure Mode and Effects Analysis |  Architecture Risk Storming |
|---|---|---|---|---|
Purposedifferent | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. | 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 | High | Medium | High | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 2-4 h | 2-6 h | 60-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 5-15 | 3-10 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Quality Scenarios, Priority List, Architecture Concerns | FMEA Table, Risk Priority, Mitigation Actions | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | RequirementsArchitectureWorkshop | RiskQualityOperationsRoot cause | RiskArchitectureWorkshopValidation |