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| Criterion |  Architecture C4 Model |  Architecture Architecture Communication Canvas |  Facilitation Expectation Mapping |
|---|---|---|---|
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. | 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 roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1-4 h | 60-120 min | 45-90 min |
Participantsdifferent | 1-5 | 2-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Expectation Map, Alignment Notes, Agreements |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureCommunicationStakeholdersCanvas | AlignmentStakeholdersTeam |
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