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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Systems Thinking CATWOE Analysis |
|---|---|---|
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. | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. |
Complexitydifferent | High | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-8 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints |
Tags1 shared | ArchitectureQualityRiskTradeoffsStakeholders | Systems thinkingFramingStakeholders |
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