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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture C4 Model |  Operations Scatter Diagram |
|---|---|---|---|
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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. |
Complexitydifferent | High | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 h | 30-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-5 | 1-4 |
Formatsame | Workshop + async | 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 | Context Diagram, Container Diagram, Component Diagram | Scatter Plot, Korrelationsnotiz, Hypothesenliste |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureCommunicationVisualization | Root causeQualityVisualization |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
