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| Criterion |  Architecture Request for Comments |  Decision Making Constraint Analysis |  Delivery Communication Plan |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | 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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-90 min | 45-90 min | 60-120 min |
Participantsdifferent | 3-20 Reviewer | 2-8 | 2-6 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Communication Plan, Channel Matrix, Message Cadence | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | ConstraintsDecisionPlanningOptions | CommunicationStakeholdersDeliveryPlanning | ArchitectureCommunicationStakeholdersCanvas |