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| Criterion |  Operations RACI Matrix |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
Purposedifferent | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. | 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. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 45-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 30-60 min | 45-90 min |
Participantsdifferent | 2-8 | Architecture experts and stakeholders for scenarios and weighting | 2-10 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | 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 | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | RolesResponsibilityGovernanceOperations | ArchitectureChangeAnalysisComparisonQuality | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |