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| Criterion |  Architecture arc42 |  Facilitation Alignment Mapping |  Decision Making DACI |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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 several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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 | Low | Medium | Low | Low |
Timedifferent | 1-2 Tage | 1-2 h | 30-60 min | 15-45 min |
Participantsdifferent | 1-4 | 4-12 | 2-10 | 1-3 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Alignment Map, Open Issues, Decision Questions | DACI Matrix, Decision Owner, Decision Log | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDocumentationCommunication | AlignmentStakeholdersStrategyFacilitation | DecisionRolesGovernanceAlignment | ArchitectureRationaleDocumentationGovernance |