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Selected:Architecture Decision RecordArchitecture Inception CanvasSAAM (Software Architecture Analysis Method)3-Circle Venn Diagram
| Criterion |  Architecture Architecture Decision Record |  Architecture Architecture Inception Canvas |  Architecture SAAM (Software Architecture Analysis Method) |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | 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. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 15-45 min | 1-2 h | Preparation, scenario analysis, and findings review; effort depends on scope | 15-45 min |
Participantsdifferent | 1-3 | 3-8 | Architecture experts and stakeholders for scenarios and weighting | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Inception Canvas, Risks, Goal List, Open Questions | 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 |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | AlignmentArchitectureCanvas | ArchitectureChangeAnalysisComparisonQuality | ComparisonFacilitationAlignment |