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Selected:ATAM (Architecture Tradeoff Analysis Method)GAP AnalysisSAAM (Software Architecture Analysis Method)Business Model Stress Test
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy GAP Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
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. | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | 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 Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. |
Complexitydifferent | High | Medium | High | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 h | Preparation, scenario analysis, and findings review; effort depends on scope | Half day |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | Architecture experts and stakeholders for scenarios and weighting | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Gap Matrix, Action Plan, Risk Notes | 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 | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | StrategyAnalysisPlanning | ArchitectureChangeAnalysisComparisonQuality | StrategyBusiness modelRiskDiagnosis |