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| Criterion |  Architecture Request for Comments |  Operations Kaizen Event |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | 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. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 0.5-5 Tage | 45-90 min |
Participantsdifferent | 3-20 Reviewer | 4-10 | 2-5 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | LeanContinuous improvementOperations | LeanProblem solvingCoachingOperations |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
