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| Criterion |  Architecture C4 Model |  Operations ALPEN Method |  Decision Making Constraint Analysis |
|---|---|---|---|
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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-4 h | 10-20 min daily | 30-90 min |
Participantsdifferent | 1-5 | 1 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Daily Plan, Time Estimates, Review Notes | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tagsno overlap | ArchitectureCommunicationVisualization | PlanningTime managementProductivityOperations | ConstraintsDecisionPlanningOptions |
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