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| Criterion |  Innovation Lean Startup |  Architecture arc42 |  Architecture Software Architecture Canvas |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-2 Tage | 1-2 h | 60-120 min |
Participantsdifferent | 2-8 | 1-4 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Architecture Document, Context View, Runtime View, Deployment View | Architecture Canvas, Goals, Constraints, Quality Attributes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | LeanStartupValidationMVP | ArchitectureDocumentationCommunication | CanvasArchitectureAlignmentWorkshop | ArchitectureCommunicationStakeholdersCanvas |