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| Criterion |  Architecture C4 Model |  Operations ABC Analysis |  Operations Eat the Frog |  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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-4 h | 30-60 min | 15-90 min daily | 10-20 min daily |
Participantsdifferent | 1-5 | 1-5 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | ABC Classification, Focus Rules, Control List | Priority Task, Completion Note, Daily Focus | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ArchitectureCommunicationVisualization | PrioritizationOperationsPortfolio | PrioritizationProductivityFocusExecution | PlanningTime managementProductivityOperations |