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Selected:SAAM (Software Architecture Analysis Method)Change Analysis3-Circle Venn DiagramAlignment Mapping
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |  Facilitation 3-Circle Venn Diagram |  Facilitation Alignment Mapping |
|---|---|---|---|---|
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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min | 15-45 min | 1-2 h |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 2-6 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Venn Diagram, Overlap Notes, Differentiators | Alignment Map, Open Issues, Decision Questions |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison | ComparisonFacilitationAlignment | AlignmentStakeholdersStrategyFacilitation |