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| Criterion |  Operations A3 Problem Solving |  Architecture Software Architecture Canvas |  Operations After-Action Review |
|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-90 min | 1-2 h | 20-45 min |
Participantsdifferent | 2-5 | 3-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Architecture Canvas, Goals, Constraints, Quality Attributes | Lessons learned, Action items, Event summary |
Tagsno overlap | LeanProblem solvingCoachingOperations | CanvasArchitectureAlignmentWorkshop | LearningOperationsImprovement |
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