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Selected:Hypothesis-Driven TroubleshootingATAM (Architecture Tradeoff Analysis Method)Value Chain AnalysisSAAM (Software Architecture Analysis Method)
| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy Value Chain Analysis |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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 | High |
Timedifferent | 30-240 min | Several meetings plus preparation and analysis; total effort depends on scope | Half day | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 1-6 | Evaluation team, architects, and relevant stakeholders | 3-8 | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Value Chain Map, Lever List | 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 | TroubleshootingProblem solvingDiagnosis | ArchitectureQualityRiskTradeoffsStakeholders | StrategyBusiness modelDiagnosisAnalysis | ArchitectureChangeAnalysisComparisonQuality |