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| Criterion |  Operations PDCA Cycle |  Architecture Request for Comments |  Operations Kaizen Event |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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. | 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 | Low | Medium | Medium | Low |
Timedifferent | 1 h bis mehrere Wochen | 1-3 Wochen vom Draft bis zur Entscheidung | 0.5-5 Tage | 15-45 min |
Participantsdifferent | 1-8 | 3-20 Reviewer | 4-10 | 1-3 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | ADR File, Decision Log, Rationale |
Tagsno overlap | Continuous improvementLeanExperiments | ArchitectureDecisionAsyncGovernance | LeanContinuous improvementOperations | ArchitectureRationaleDocumentationGovernance |