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| Criterion |  Architecture Architecture Decision Record |  Engineering Kanban |  Agile NoEstimates |  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 estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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 | laufend | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-3 | 2-12 | 2-12 | 3-20 Reviewer |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | ADR File, Decision Log, Rationale | Kanban board, WIP policies, Flow metrics | Throughput Data, Flow Forecast, Slicing Rules | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | FlowVisual managementDelivery | EstimationForecastingFlow | ArchitectureDecisionAsyncGovernance |