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| Criterion |  Architecture C4 Model |  Operations ALPEN Method |  Operations 5 Whys |
|---|---|---|---|
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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-4 h | 10-20 min daily | 15-30 min |
Participantsdifferent | 1-5 | 1 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Daily Plan, Time Estimates, Review Notes | Root cause notes, Countermeasures |
Tagsno overlap | ArchitectureCommunicationVisualization | PlanningTime managementProductivityOperations | Root causeIncidentLeanProblem solving |
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