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| Criterion |  Operations Kaizen Event |  Architecture arc42 |  Operations Gemba Walk |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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 | Low | Low | Low |
Timedifferent | 0.5-5 Tage | 1-2 Tage | 30-120 min | 15-45 min |
Participantsdifferent | 4-10 | 1-4 | 2-6 | 1-3 |
Formatdifferent | Workshop | Workshop + async | Workshop | Async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Architecture Document, Context View, Runtime View, Deployment View | Observation Notes, Improvement Ideas | ADR File, Decision Log, Rationale |
Tagsno overlap | LeanContinuous improvementOperations | ArchitectureDocumentationCommunication | LeanObservationProcessOperations | ArchitectureRationaleDocumentationGovernance |