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Selected:Barrier AnalysisATAM (Architecture Tradeoff Analysis Method)SAAM (Software Architecture Analysis Method)
| Criterion |  Operations Barrier Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 | 2-4 h | Several meetings plus preparation and analysis; total effort depends on scope | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-6 | Evaluation team, architects, and relevant stakeholders | Architecture experts and stakeholders for scenarios and weighting |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | 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 | Root causeSafetyIncident | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureChangeAnalysisComparisonQuality |
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