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| Criterion |  Decision Making Decision Rights Mapping |  Architecture Architecture Communication Canvas |  Decision Making DACI |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 90-180 min | 60-120 min | 30-60 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 4-12 | 2-8 | 2-10 | 3-20 Reviewer |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Decision Rights Matrix, Agreement | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | DACI Matrix, Decision Owner, Decision Log | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | DecisionGovernanceAlignmentResponsibility | ArchitectureCommunicationStakeholdersCanvas | DecisionRolesGovernanceAlignment | ArchitectureDecisionAsyncGovernance |