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| Criterion |  Knowledge Modeling IBIS |  DevOps Blameless Postmortem |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-3 h | 30-90 min | 15-45 min |
Participantsdifferent | 2-8 | 3-12 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Issue Map, Positions, Argument Notes | Postmortem Doc, Action Items, Timeline | ADR File, Decision Log, Rationale |
Tagsno overlap | RationaleKnowledgeDecision | Site Reliability EngineeringIncidentLearningReliability | ArchitectureRationaleDocumentationGovernance |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
