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| Criterion |  Decision Making Constraint Analysis |  Operations ALPEN Method |  Architecture arc42 |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-90 min | 10-20 min daily | 1-2 Tage | 1-4 h |
Participantsdifferent | 2-8 | 1 | 1-4 | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Daily Plan, Time Estimates, Review Notes | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ConstraintsDecisionPlanningOptions | PlanningTime managementProductivityOperations | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization |