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| Criterion |  Innovation Lean Startup |  Architecture arc42 |  Architecture Risk Storming |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-2 Tage | 60-90 min | 15-45 min |
Participantsdifferent | 2-8 | 1-4 | 4-12 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Architecture Document, Context View, Runtime View, Deployment View | Annotated Diagram, Prioritized Risk List, Action Backlog | ADR File, Decision Log, Rationale |
Tagsno overlap | LeanStartupValidationMVP | ArchitectureDocumentationCommunication | RiskArchitectureWorkshopValidation | ArchitectureRationaleDocumentationGovernance |