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| Criterion |  Agile 4Ls Retrospective |  Architecture Architecture Decision Record |  Operations Learning Review |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 45–75 min | 15-45 min | 1-3 h | 1-2 Tage |
Participantsdifferent | Team members involved | 1-3 | 3-10 | 1-4 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | 4Ls Board, Learning Themes, Improvement Actions | ADR File, Decision Log, Rationale | Learning Review Notes, System Factors, Improvement Actions | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RetrospectiveLearningReflectionTeam | ArchitectureRationaleDocumentationGovernance | LearningRetrospectiveIncidentOperations | ArchitectureDocumentationCommunication |