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| Criterion |  Delivery Communication Plan |  Architecture Architecture Decision Record |  Architecture Architecture Inception Canvas |
|---|---|---|---|
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. | 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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. |
Complexitysame | Low | Low | Low |
Timedifferent | 45-90 min | 15-45 min | 1-2 h |
Participantsdifferent | 2-6 | 1-3 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | ADR File, Decision Log, Rationale | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | ArchitectureRationaleDocumentationGovernance | AlignmentArchitectureCanvas |
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