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Selected:SAAM (Software Architecture Analysis Method)Opportunity Solution TreeATAM (Architecture Tradeoff Analysis Method)Assumption Mapping
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Product Discovery Opportunity Solution Tree |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 1-2 h Setup, laufend | Several meetings plus preparation and analysis; total effort depends on scope | 45-60 min |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 2-6 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | 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 | Opportunity Solution Tree, Experiment Backlog, Learning Log | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | DiscoveryOutcomesExperimentsOpportunity | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskExperimentsValidation |