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| Criterion |  Decision Making DACI |  Architecture Request for Comments |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|
Purposedifferent | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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. | 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. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30-60 min | 1-3 Wochen vom Draft bis zur Entscheidung | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-10 | 3-20 Reviewer | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | 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 |
Tagsno overlap | DecisionRolesGovernanceAlignment | ArchitectureDecisionAsyncGovernance | ArchitectureChangeAnalysisComparisonQuality |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
