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| Criterion |  Decision Making Constraint Analysis |  Architecture C4 Model |  Operations Change Analysis |  Delivery Communication Plan |
|---|---|---|---|---|
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. | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-90 min | 1-4 h | 45-120 min | 45-90 min |
Participantsdifferent | 2-8 | 1-5 | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Context Diagram, Container Diagram, Component Diagram | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ArchitectureCommunicationVisualization | ChangeRoot causeTroubleshootingComparison | CommunicationStakeholdersDeliveryPlanning |