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| Criterion |  Architecture C4 Model |  Facilitation Dot Estimation |  Delivery Communication Plan |
|---|---|---|---|
Purposedifferent | 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. | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-4 h | 5-20 min | 45-90 min |
Participantsdifferent | 1-5 | 3-20 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Effort Heatmap, Risk Signals, Discussion Targets | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | ArchitectureCommunicationVisualization | EstimationEffortRisk | CommunicationStakeholdersDeliveryPlanning |
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