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| Criterion |  Delivery Communication Plan |  Decision Making RAPID |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45-90 min | 45-90 min | 15-45 min | 30-60 min |
Participantsdifferent | 2-6 | 3-12 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | RAPID Role Map, Recommendation, Decision Log | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | DecisionRolesGovernance | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |