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| Criterion |  Architecture Architecture Decision Record |  Architecture Request for Comments |  Decision Making Risk Matrix |
|---|---|---|---|
Purposedifferent | 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. | 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 a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 15-45 min | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min |
Participantsdifferent | 1-3 | 3-20 Reviewer | 3-10 |
Formatdifferent | Async | Async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Risk Matrix, Top Risk List |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureDecisionAsyncGovernance | RiskDecisionPrioritizationAssessment |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
