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| Criterion |  Architecture Architecture Communication Canvas |  Decision Making Pre-Mortem |  Architecture Architecture Decision Record |  Delivery Communication Plan |
|---|---|---|---|---|
Purposedifferent | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. | 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 | Low |
Timedifferent | 60-120 min | 20–45 min | 15-45 min | 45-90 min |
Participantsdifferent | 2-8 | Small cross-functional group | 1-3 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Risk list, Mitigation plan, Assumption log | ADR File, Decision Log, Rationale | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | ArchitectureCommunicationStakeholdersCanvas | RiskDecisionFailurePlanning | ArchitectureRationaleDocumentationGovernance | CommunicationStakeholdersDeliveryPlanning |