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| Criterion |  Business Strategy Three Horizons |  Architecture Architecture Decision Record |  Architecture arc42 |
|---|---|---|---|
Purposedifferent | Three Horizons helps clarify strategic options across different timeframes. It compares strengths, risks, market logic, and investment choices, and captures the result as a horizon map, portfolio view, and initiatives per horizon. | 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. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | Halbtags-Workshop, dann iterativ | 15-45 min | 1-2 Tage |
Participantsdifferent | 3-12 | 1-3 | 1-4 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Horizon map, Portfolio view, Initiatives per horizon, Resource plan | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | StrategyInnovationPortfolioForesight | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication |
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