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Selected:Risk MatrixArchitecture Decision RecordArchitecture Communication CanvasRequest for Comments
| Criterion |  Decision Making Risk Matrix |  Architecture Architecture Decision Record |  Architecture Architecture Communication Canvas |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-60 min | 15-45 min | 60-120 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 3-10 | 1-3 | 2-8 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Risk Matrix, Top Risk List | ADR File, Decision Log, Rationale | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | RiskDecisionPrioritizationAssessment | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationStakeholdersCanvas | ArchitectureDecisionAsyncGovernance |