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| Criterion |  Architecture Request for Comments |  Agile Sprint Retrospective |  Agile Start Stop Continue |  Agile Starfish Retrospective |
|---|---|---|---|---|
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. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. |
Complexitydifferent | Medium | Low | 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 | 30-60 min | 45-90 min |
Participantsdifferent | 3-20 Reviewer | Scrum Team | 3-12 | 4-12 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Improvement actions, Team agreements | Start Stop Continue Board, Improvement Actions | Starfish Board, Practice Changes, Experiments |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | RetrospectiveImprovementLearning | RetrospectiveImprovementTeamReflection | RetrospectiveImprovementExperimentsTeam |