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| Criterion |  Architecture Architecture Decision Record |  Architecture C4 Model |  Operations ALPEN Method |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 15-45 min | 1-4 h | 10-20 min daily | 1-2 h Setup, laufend |
Participantsdifferent | 1-3 | 1-5 | 1 | 1 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | Daily Plan, Time Estimates, Review Notes | Action Lists, Project List, Review Routine |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | PlanningTime managementProductivityOperations | ProductivityPlanningTasksExecution |