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Selected:4Ls RetrospectiveRequest for CommentsArchitecture Communication CanvasArchitecture Decision Record
| Criterion |  Agile 4Ls Retrospective |  Architecture Request for Comments |  Architecture Architecture Communication Canvas |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | 45–75 min | 1-3 Wochen vom Draft bis zur Entscheidung | 60-120 min | 15-45 min |
Participantsdifferent | Team members involved | 3-20 Reviewer | 2-8 | 1-3 |
Formatdifferent | Workshop | Async | Workshop + async | Async |
Outputdifferent | 4Ls Board, Learning Themes, Improvement Actions | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | ADR File, Decision Log, Rationale |
Tagsno overlap | RetrospectiveLearningReflectionTeam | ArchitectureDecisionAsyncGovernance | ArchitectureCommunicationStakeholdersCanvas | ArchitectureRationaleDocumentationGovernance |