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| Criterion |  Architecture arc42 |  Architecture Architecture Decision Record |  Innovation Lean Startup |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | 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 | Low | Low | Medium | Medium |
Timedifferent | 1-2 Tage | 15-45 min | Wochen bis Monate je Lernzyklus | 60-120 min |
Participantsdifferent | 1-4 | 1-3 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance | LeanStartupValidationMVP | ArchitectureCommunicationStakeholdersCanvas |