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| Criterion |  Decision Making Assumption Surfacing |  Architecture Architecture Communication Canvas |  Delivery RAID Log |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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 | Medium | Low | Medium |
Timedifferent | 45-90 min | 60-120 min | 30 min Setup, dann laufend | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 2-8 | 2-8 | 1-3 maintaining, briefing for everyone | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | RAID Log, Status Report Source | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | ArchitectureCommunicationStakeholdersCanvas | RiskTrackingStakeholdersGovernance | ArchitectureDecisionAsyncGovernance |