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| Criterion |  Decision Making Assumption Surfacing |  Architecture arc42 |  Decision Making Red Teaming |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. | 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 | 45-90 min | 1-2 Tage | 1-4 h | 60-120 min |
Participantsdifferent | 2-8 | 1-4 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Architecture Document, Context View, Runtime View, Deployment View | Challenge Findings, Risk Register, Mitigation Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | ArchitectureDocumentationCommunication | RiskDecisionSensemaking | ArchitectureCommunicationStakeholdersCanvas |