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Selected:Trade-off AnalysisArchitecture Communication CanvasRequest for CommentsArchitecture Decision Record
| Criterion |  Decision Making Trade-off Analysis |  Architecture Architecture Communication Canvas |  Architecture Request for Comments |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | 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 | 45-120 min | 60-120 min | 1-3 Wochen vom Draft bis zur Entscheidung | 15-45 min |
Participantsdifferent | 2-8 | 2-8 | 3-20 Reviewer | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async | 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 | ADR File, Decision Log, Rationale |
Tagsno overlap | TradeoffsDecisionCriteriaOptions | ArchitectureCommunicationStakeholdersCanvas | ArchitectureDecisionAsyncGovernance | ArchitectureRationaleDocumentationGovernance |