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Selected:SAAM (Software Architecture Analysis Method)3-Circle Venn DiagramArchitecture Decision Record
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Facilitation 3-Circle Venn Diagram |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | 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. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | High | Low | Low |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 15-45 min | 15-45 min |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | 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 | Venn Diagram, Overlap Notes, Differentiators | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | ComparisonFacilitationAlignment | ArchitectureRationaleDocumentationGovernance |
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