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| Criterion |  Innovation Lean Startup |  Architecture arc42 |  Operations A3 Problem Solving |  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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-2 Tage | 45-90 min | 60-120 min |
Participantsdifferent | 2-8 | 1-4 | 2-5 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Architecture Document, Context View, Runtime View, Deployment View | A3 Report, Action Plan, Root Cause Analysis | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | LeanStartupValidationMVP | ArchitectureDocumentationCommunication | LeanProblem solvingCoachingOperations | ArchitectureCommunicationStakeholdersCanvas |