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Selected:Quality Attribute WorkshopATAM (Architecture Tradeoff Analysis Method)Change AnalysisRisk Storming
| Criterion |  Architecture Quality Attribute Workshop |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Change Analysis |  Architecture Risk Storming |
|---|---|---|---|---|
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. | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 | Medium | High | Medium | Low |
Timedifferent | 2-4 h | Several meetings plus preparation and analysis; total effort depends on scope | 45-120 min | 60-90 min |
Participantsdifferent | 5-15 | Evaluation team, architects, and relevant stakeholders | 2-6 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Quality Scenarios, Priority List, Architecture Concerns | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | RequirementsArchitectureWorkshop | ArchitectureQualityRiskTradeoffsStakeholders | ChangeRoot causeTroubleshootingComparison | RiskArchitectureWorkshopValidation |