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| Criterion |  Delivery Communication Plan |  Architecture C4 Model |  Agile Affinity Estimation |  Architecture arc42 |
|---|---|---|---|---|
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. | 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 many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 45-90 min | 1-4 h | 30-90 min | 1-2 Tage |
Participantsdifferent | 2-6 | 1-5 | 3-12 | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Context Diagram, Container Diagram, Component Diagram | Affinity Size Map, Grouped Estimates, Unclear Items | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | ArchitectureCommunicationVisualization | EstimationBacklogRelative sizing | ArchitectureDocumentationCommunication |