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| Criterion |  Decision Making Trade-off Analysis |  Architecture Architecture Communication Canvas |  Architecture Request for Comments |  Decision Making Decision Matrix |
|---|---|---|---|---|
Purposedifferent | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-120 min | 60-120 min | 1-3 Wochen vom Draft bis zur Entscheidung | 45-90 min |
Participantsdifferent | 2-8 | 2-8 | 3-20 Reviewer | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | TradeoffsDecisionCriteriaOptions | ArchitectureCommunicationStakeholdersCanvas | ArchitectureDecisionAsyncGovernance | DecisionCriteriaScoringTradeoffs |