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| Criterion |  Architecture C4 Model |  DevOps Blameless Postmortem |  Architecture Software Architecture Canvas |  Facilitation Consensus Workshop |
|---|---|---|---|---|
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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | When a group needs a solid decision without outvoting individual factions, a Consensus Workshop creates a negotiable common ground. It makes agreement, reservations, and open tensions discussable at the same time. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 1-4 h | 30-90 min | 1-2 h | 1-3 h |
Participantsdifferent | 1-5 | 3-12 | 3-10 | 5-30 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Postmortem Doc, Action Items, Timeline | Architecture Canvas, Goals, Constraints, Quality Attributes | Consensus Clusters, Theme Titles, Priority Areas |
Tagsno overlap | ArchitectureCommunicationVisualization | Site Reliability EngineeringIncidentLearningReliability | CanvasArchitectureAlignmentWorkshop | FacilitationConsensusWorkshopAlignment |