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Selected:Failure Scenario AnalysisSAAM (Software Architecture Analysis Method)3-Circle Venn DiagramAlignment Mapping
| Criterion |  Engineering Failure Scenario Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Facilitation 3-Circle Venn Diagram |  Facilitation Alignment Mapping |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. | 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 | Medium | High | Low | Medium |
Timedifferent | 1-3 h | Preparation, scenario analysis, and findings review; effort depends on scope | 15-45 min | 1-2 h |
Participantsdifferent | 3-8 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | 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 | Alignment Map, Open Issues, Decision Questions |
Tagsno overlap | FailureResilienceRisk | ArchitectureChangeAnalysisComparisonQuality | ComparisonFacilitationAlignment | AlignmentStakeholdersStrategyFacilitation |