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| Criterion |  Architecture Software Architecture Canvas |  DevOps Blameless Postmortem |  Architecture C4 Model |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 1-2 h | 30-90 min | 1-4 h | 60-120 min |
Participantsdifferent | 3-10 | 3-12 | 1-5 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Canvas, Goals, Constraints, Quality Attributes | Postmortem Doc, Action Items, Timeline | Context Diagram, Container Diagram, Component Diagram | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | CanvasArchitectureAlignmentWorkshop | Site Reliability EngineeringIncidentLearningReliability | ArchitectureCommunicationVisualization | ArchitectureCommunicationStakeholdersCanvas |