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| Criterion |  Architecture Architecture Decision Record |  Engineering Kanban |  Delivery Value Stream Mapping |  Architecture Request for Comments |
|---|---|---|---|---|
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 work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 15-45 min | Ongoing | 1-3 h | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-3 | 2-12 | 4-10 | 3-20 Reviewer |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | ADR File, Decision Log, Rationale | Kanban board, WIP policies, Flow metrics | Current-state map, Future-state map, Bottleneck list | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | FlowVisual managementDelivery | LeanFlowWasteDelivery | ArchitectureDecisionAsyncGovernance |