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| Criterion |  Operations A3 Problem Solving |  Architecture arc42 |  Innovation Lean Startup |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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 | Medium | Low | Medium | Medium |
Timedifferent | 45-90 min | 1-2 Tage | Wochen bis Monate je Lernzyklus | 60-120 min |
Participantsdifferent | 2-5 | 1-4 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Architecture Document, Context View, Runtime View, Deployment View | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | LeanProblem solvingCoachingOperations | ArchitectureDocumentationCommunication | LeanStartupValidationMVP | ArchitectureCommunicationStakeholdersCanvas |