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| Criterion |  Architecture arc42 |  UX Research Customer Journey Mapping |  UX Design Service Blueprinting |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | 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. | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 1-2 Tage | 2-4 h | 0.5-2 Tage | 1-4 h |
Participantsdifferent | 1-4 | 4-10 | 6-12 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Journey Map, Pain-point List, Opportunity Backlog | Service Blueprint, Fail Points, Ownership Map | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ArchitectureDocumentationCommunication | JourneyServiceService design | Service designOperationsJourneyBlueprint | ArchitectureCommunicationVisualization |