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| Criterion |  Architecture Request for Comments |  Decision Making Decision Tree |  Decision Making Decision Rights Mapping |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-90 min | 90-180 min | 15-45 min |
Participantsdifferent | 3-20 Reviewer | 1-6 | 4-12 | 1-3 |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Tree, Option Map, Assumption List | Decision Rights Matrix, Agreement | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | DecisionTreeOptions | DecisionGovernanceAlignmentResponsibility | ArchitectureRationaleDocumentationGovernance |