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| Criterion |  Operations Accountability Ladder |  Architecture C4 Model |  Architecture Architecture Communication Canvas |  Delivery Communication Plan |
|---|---|---|---|---|
Purposedifferent | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | Low | Low | Medium | Low |
Timedifferent | 20-45 min | 1-4 h | 60-120 min | 45-90 min |
Participantsdifferent | 1-8 | 1-5 | 2-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Ownership Reflection, Action Commitment, Coaching Notes | Context Diagram, Container Diagram, Component Diagram | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | ResponsibilityLeadershipTeam | ArchitectureCommunicationVisualization | ArchitectureCommunicationStakeholdersCanvas | CommunicationStakeholdersDeliveryPlanning |