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Selected:SAAM (Software Architecture Analysis Method)Change AnalysisRequest for CommentsArchitecture Decision Record
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |  Architecture Request for Comments |  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. | 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 RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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 | Medium | Medium | Low |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min | 1-3 Wochen vom Draft bis zur Entscheidung | 15-45 min |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 2-6 | 3-20 Reviewer | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | 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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison | ArchitectureDecisionAsyncGovernance | ArchitectureRationaleDocumentationGovernance |