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Selected:RAPIDSAAM (Software Architecture Analysis Method)Change AnalysisArchitecture Decision Record
| Criterion |  Decision Making RAPID |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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. | 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 | Medium | High | Medium | Low |
Timedifferent | 45-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min | 15-45 min |
Participantsdifferent | 3-12 | Architecture experts and stakeholders for scenarios and weighting | 2-6 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | 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 | ADR File, Decision Log, Rationale |
Tagsno overlap | DecisionRolesGovernance | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison | ArchitectureRationaleDocumentationGovernance |