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| Criterion |  Delivery Value Stream Mapping |  Decision Making Decision Tree |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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 | Medium | Medium | Low |
Timedifferent | 1-3 h | 30-90 min | 15-45 min |
Participantsdifferent | 4-10 | 1-6 | 1-3 |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Decision Tree, Option Map, Assumption List | ADR File, Decision Log, Rationale |
Tagsno overlap | LeanFlowWasteDelivery | DecisionTreeOptions | ArchitectureRationaleDocumentationGovernance |
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