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| Criterion |  Architecture C4 Model |  Operations ALPEN Method |  Operations After-Action Review |  Architecture arc42 |
|---|---|---|---|---|
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. | 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. | 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. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-4 h | 10-20 min daily | 20-45 min | 1-2 Tage |
Participantsdifferent | 1-5 | 1 | 3-12 | 1-4 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Daily Plan, Time Estimates, Review Notes | Lessons learned, Action items, Event summary | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureCommunicationVisualization | PlanningTime managementProductivityOperations | LearningOperationsImprovement | ArchitectureDocumentationCommunication |