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| Criterion |  Agile Sprint Retrospective |  Architecture arc42 |  Architecture Views and Beyond |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 1-2 Tage | 1-3 Tage | 20-45 min |
Participantsdifferent | Scrum Team | 1-4 | 1-4 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Improvement actions, Team agreements | Architecture Document, Context View, Runtime View, Deployment View | Architecture Views, Cross-view Notes, Rationale | Lessons learned, Action items, Event summary |
Tagsno overlap | RetrospectiveImprovementLearning | ArchitectureDocumentationCommunication | DocumentationStakeholdersArchitecture | LearningOperationsImprovement |