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| Criterion |  Architecture C4 Model |  Agile NoEstimates |  Engineering Kanban |  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 estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | When work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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 | Medium | Medium | Low |
Timedifferent | 1-4 h | laufend | Ongoing | 45-90 min |
Participantsdifferent | 1-5 | 2-12 | 2-12 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Throughput Data, Flow Forecast, Slicing Rules | Kanban board, WIP policies, Flow metrics | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | ArchitectureCommunicationVisualization | EstimationForecastingFlow | FlowVisual managementDelivery | CommunicationStakeholdersDeliveryPlanning |