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| Criterion |  Architecture Request for Comments |  Agile Starfish Retrospective |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
Purposedifferent | 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. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. | 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 | Medium | Low | Low | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 45-90 min | 30-60 min | 45-90 min |
Participantsdifferent | 3-20 Reviewer | 4-12 | 2-10 | 3-12 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Starfish Board, Practice Changes, Experiments | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | RetrospectiveImprovementExperimentsTeam | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |