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Selected:Lean StartupATAM (Architecture Tradeoff Analysis Method)SAAM (Software Architecture Analysis Method)
| Criterion |  Innovation Lean Startup |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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. |
Complexitydifferent | Medium | High | High |
Timedifferent | Wochen bis Monate je Lernzyklus | Several meetings plus preparation and analysis; total effort depends on scope | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | Architecture experts and stakeholders for scenarios and weighting |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | 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 |
Tagsno overlap | LeanStartupValidationMVP | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureChangeAnalysisComparisonQuality |
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