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| Criterion |  DevOps Blameless Postmortem |  Business Strategy Value Chain Analysis |  Business Strategy Business Model Canvas |  Business Strategy VRIO Framework |
|---|---|---|---|---|
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. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | The Business Model Canvas condenses a business model to its key building blocks and assumptions. It makes variants quickly comparable and reveals gaps before validation or implementation begins. | The VRIO Framework rates resources and capabilities on whether they are Valuable, Rare, Inimitable, and Organized. It compares strengths, risks, market logic, and courses of action. The result is captured as a VRIO table and strategic actions. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 30-90 min | Half day | 1-2 h | 90-180 min |
Participantsdifferent | 3-12 | 3-8 | 2-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Value Chain Map, Lever List | Business Model Canvas, Assumption List, Business Hypotheses | VRIO Table, Strategic Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | StrategyBusiness modelDiagnosisAnalysis | Business modelStrategyValueInnovation | StrategyDiagnosisBusiness modelCapability |