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| Criterion |  Architecture Request for Comments |  Decision Making DACI |  Architecture Architecture Communication Canvas |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min | 60-120 min | 90-180 min |
Participantsdifferent | 3-20 Reviewer | 2-10 | 2-8 | 4-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Decision Rights Matrix, Agreement |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment | ArchitectureCommunicationStakeholdersCanvas | DecisionGovernanceAlignmentResponsibility |