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| Criterion |  Architecture C4 Model |  Operations After-Action Review |  Operations Getting Things Done |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1-4 h | 20-45 min | 1-2 h Setup, laufend | 10-20 min daily |
Participantsdifferent | 1-5 | 3-12 | 1 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Lessons learned, Action items, Event summary | Action Lists, Project List, Review Routine | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ArchitectureCommunicationVisualization | LearningOperationsImprovement | ProductivityPlanningTasksExecution | PlanningTime managementProductivityOperations |