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Selected:Delphi MethodRequest for CommentsArchitecture Communication CanvasArchitecture Decision Record
| Criterion |  Decision Making Delphi Method |  Architecture Request for Comments |  Architecture Architecture Communication Canvas |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | 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 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 | High | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 1-3 Wochen vom Draft bis zur Entscheidung | 60-120 min | 15-45 min |
Participantsdifferent | 6-30 Experten | 3-20 Reviewer | 2-8 | 1-3 |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | ADR File, Decision Log, Rationale |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ArchitectureDecisionAsyncGovernance | ArchitectureCommunicationStakeholdersCanvas | ArchitectureRationaleDocumentationGovernance |