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| Criterion |  DevOps Blameless Postmortem |  Facilitation Power Interest Grid |  Architecture Software Architecture Canvas |
|---|---|---|---|
Purposedifferent | 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. | When many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-90 min | 30-60 min | 1-2 h |
Participantsdifferent | 3-12 | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Power Interest Grid, Strategy per Stakeholder | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | StakeholdersFacilitationAlignmentPlanning | CanvasArchitectureAlignmentWorkshop |
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