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| Criterion |  Product Discovery Solution Interview |  Architecture arc42 |  Innovation Design Sprint |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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 | Medium | Low | High | Low |
Timedifferent | 30-60 min je Interview | 1-2 Tage | 4-5 Tage | 1-4 h |
Participantsdifferent | 5-10 Interviews | 1-4 | 5-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Architecture Document, Context View, Runtime View, Deployment View | Prototype, Test Findings, Decision Rationale | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ValidationInterviewsPrototype | ArchitectureDocumentationCommunication | Design sprintPrototypeValidationInnovation | ArchitectureCommunicationVisualization |