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| Criterion |  Architecture Request for Comments |  Agile Sprint Retrospective |  Architecture Architecture Decision Record |
|---|---|---|---|
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. | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. | 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 |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 15-45 min |
Participantsdifferent | 3-20 Reviewer | Scrum Team | 1-3 |
Formatdifferent | Async | Workshop | Async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Improvement actions, Team agreements | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | RetrospectiveImprovementLearning | ArchitectureRationaleDocumentationGovernance |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
