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| Criterion |  Facilitation Lean Coffee |  Architecture arc42 |  Facilitation Open Space Technology |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When a group without a fixed agenda needs to get into useful conversations quickly, Lean Coffee structures the start around interests rather than a presentation. The group itself negotiates which topics get time first and which wait. | 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. | When a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. | 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 | High | Medium |
Timedifferent | 30-90 min | 1-2 Tage | 0.5-2 Tage | 60-120 min |
Participantsdifferent | 3-20 | 1-4 | 20-500+ | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prioritized Topics, Discussion Notes, Action Items | Architecture Document, Context View, Runtime View, Deployment View | Session Marketplace, Proceedings, Action Topics | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | FacilitationAutonomyDialogue | ArchitectureDocumentationCommunication | FacilitationLarge groupAutonomy | ArchitectureCommunicationStakeholdersCanvas |