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| Criterion |  Business Strategy Value Chain Analysis |  Business Strategy VRIO Framework |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | 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 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. | 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | Half day | 90-180 min | 30-90 min |
Participantsdifferent | 3-8 | 3-6 | 3-12 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Value Chain Map, Lever List | VRIO Table, Strategic Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | StrategyBusiness modelDiagnosisAnalysis | StrategyDiagnosisBusiness modelCapability | Site Reliability EngineeringIncidentLearningReliability |
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