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| Criterion |  Architecture Architecture Decision Record |  Delivery Value Stream Mapping |  Decision Making Decision Rights Mapping |  Architecture arc42 |
|---|---|---|---|---|
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. | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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 | Low | Medium | Medium | Low |
Timedifferent | 15-45 min | 1-3 h | 90-180 min | 1-2 Tage |
Participantsdifferent | 1-3 | 4-10 | 4-12 | 1-4 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Current-state map, Future-state map, Bottleneck list | Decision Rights Matrix, Agreement | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | LeanFlowWasteDelivery | DecisionGovernanceAlignmentResponsibility | ArchitectureDocumentationCommunication |