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Selected:SAAM (Software Architecture Analysis Method)Current Reality TreeTheory of Constraints Thinking ProcessATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Systems Thinking Current Reality Tree |  Systems Thinking Theory of Constraints Thinking Process |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship. | 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. |
Complexitysame | High | High | High | High |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 2-6 h | 0.5-3 Tage | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 3-8 | 4-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Current Reality Tree, Core Problems, Intervention Ideas | Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | Systems thinkingRoot causeConstraintsCausality | Theory of ConstraintsConstraintsSystems thinkingCausality | ArchitectureQualityRiskTradeoffsStakeholders |