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| Criterion |  Operations Gemba Walk |  Operations Failure Mode and Effects Analysis |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. | 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. |
Complexitydifferent | Low | High | High |
Timedifferent | 30-120 min | 2-6 h | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-6 | 3-10 | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | FMEA Table, Risk Priority, Mitigation Actions | 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 |
Tagsno overlap | LeanObservationProcessOperations | RiskQualityOperationsRoot cause | ArchitectureChangeAnalysisComparisonQuality |
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