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| Criterion |  Architecture Request for Comments |  Decision Making Decision Matrix |  Decision Making Decision Rights Mapping |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
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 several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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 Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 45-90 min | 90-180 min | 1-2 h |
Participantsdifferent | 3-20 Reviewer | 2-8 | 4-12 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Matrix, Scoring Rationale, Selected Option | Decision Rights Matrix, Agreement | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | DecisionCriteriaScoringTradeoffs | DecisionGovernanceAlignmentResponsibility | AlignmentArchitectureCanvas |