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| Criterion |  Architecture Request for Comments |  Decision Making Trade-off Analysis |  Decision Making Risk Matrix |  Decision Making Decision Matrix |
|---|---|---|---|---|
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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 45-120 min | 30-60 min | 45-90 min |
Participantsdifferent | 3-20 Reviewer | 2-8 | 3-10 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Risk Matrix, Top Risk List | Decision Matrix, Scoring Rationale, Selected Option |
Tags1 shared | ArchitectureDecisionAsyncGovernance | TradeoffsDecisionCriteriaOptions | RiskDecisionPrioritizationAssessment | DecisionCriteriaScoringTradeoffs |