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| Criterion |  Architecture Quality Attribute Workshop |  Decision Making Constraint Analysis |  Delivery Communication Plan |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | 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. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 2-4 h | 30-90 min | 45-90 min | 1-4 h |
Participantsdifferent | 5-15 | 2-8 | 2-6 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Quality Scenarios, Priority List, Architecture Concerns | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Communication Plan, Channel Matrix, Message Cadence | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | RequirementsArchitectureWorkshop | ConstraintsDecisionPlanningOptions | CommunicationStakeholdersDeliveryPlanning | ArchitectureCommunicationVisualization |