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| Criterion |  Architecture Request for Comments |  Decision Making Constraint Analysis |  Delivery Communication Plan |
|---|---|---|---|
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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-90 min | 45-90 min |
Participantsdifferent | 3-20 Reviewer | 2-8 | 2-6 |
Formatdifferent | 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 |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | ConstraintsDecisionPlanningOptions | CommunicationStakeholdersDeliveryPlanning |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
