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| Criterion |  Business Strategy Value Chain Analysis |  Business Strategy Business Model Canvas |  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 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. | 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 | 1-2 h | 30-90 min |
Participantsdifferent | 3-8 | 2-8 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Value Chain Map, Lever List | Business Model Canvas, Assumption List, Business Hypotheses | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | StrategyBusiness modelDiagnosisAnalysis | Business modelStrategyValueInnovation | Site Reliability EngineeringIncidentLearningReliability |
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