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Selected:Blameless PostmortemSAAM (Software Architecture Analysis Method)Failure Mode and Effects Analysis
| Criterion |  DevOps Blameless Postmortem |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
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. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Medium | High | High |
Timedifferent | 30-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 2-6 h |
Participantsdifferent | 3-12 | Architecture experts and stakeholders for scenarios and weighting | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ArchitectureChangeAnalysisComparisonQuality | RiskQualityOperationsRoot cause |
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