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| Criterion |  Decision Making Delphi Method |  Architecture arc42 |  Decision Making Cynefin Workshop |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer 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. | When problems are unclear, chaotic, or only seemingly familiar, standard recipes fall short. A Cynefin Workshop sorts situations by the nature of their problem and connects them with matching action logic. | 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 | High | Low | Medium | Low |
Timedifferent | 1-4 Wochen | 1-2 Tage | 60-180 min | 15-45 min |
Participantsdifferent | 6-30 Experten | 1-4 | 4-20 | 1-3 |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Architecture Document, Context View, Runtime View, Deployment View | Cynefin Map, Domain-specific Actions, Sensemaking Notes | ADR File, Decision Log, Rationale |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ArchitectureDocumentationCommunication | ComplexitySensemakingDecision | ArchitectureRationaleDocumentationGovernance |