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| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Operations ALPEN Method |  Architecture Architecture Decision Record |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 10-20 min daily | 15-45 min | 1-2 Tage |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 1 | 1-3 | 1-4 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | 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 | Daily Plan, Time Estimates, Review Notes | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | PlanningTime managementProductivityOperations | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication |