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Selected:Software Architecture CanvasRoot Cause Tree AnalysisFailure Mode and Effects AnalysisLASR (Lightweight Approach for Software Reviews)
| Criterion |  Architecture Software Architecture Canvas |  Operations Root Cause Tree Analysis |  Operations Failure Mode and Effects Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 1-2 h | 1-3 h | 2-6 h | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 3-10 | 2-8 | 3-10 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Architecture Canvas, Goals, Constraints, Quality Attributes | Cause Tree, Evidence Notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks |
Tagsno overlap | CanvasArchitectureAlignmentWorkshop | Root causeTreeIncidentQuality | RiskQualityOperationsRoot cause | ArchitectureQualityRiskAssessmentLean |