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| Criterion |  Architecture Architecture Decision Record |  Architecture arc42 |  Facilitation Alignment Mapping |  Facilitation Stakeholder Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When an initiative depends on many people, interests, and power dynamics, Stakeholder Mapping systematically orders the environment. It shows who influences, who is affected, and where relationship management or safeguarding matters first. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-45 min | 1-2 Tage | 1-2 h | 60–90 min |
Participantsdifferent | 1-3 | 1-4 | 4-12 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View | Alignment Map, Open Issues, Decision Questions | Stakeholder Map, Engagement Plan, Risk Notes |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication | AlignmentStakeholdersStrategyFacilitation | StakeholdersAlignmentFacilitationChange |