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Selected:ATAM (Architecture Tradeoff Analysis Method)Root Cause AnalysisSAAM (Software Architecture Analysis Method)
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Root Cause Analysis |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|
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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | High | Medium | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 h | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-8 | Architecture experts and stakeholders for scenarios and weighting |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 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 |
Tags1 shared | ArchitectureQualityRiskTradeoffsStakeholders | Root causeProblem solvingQualityIncident | ArchitectureChangeAnalysisComparisonQuality |
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