A team removes unused resources and selects services and pricing models that match usage.
Choose the architecture evaluation perspective.
Which pillar is the primary match?
Cost Optimization evaluates how to deliver business value while avoiding unnecessary spending and resources.
Detailed explanation
Sustainability concerns environmental impact and resource consumption.
Sustainability concerns environmental impact and resource consumption.
Reliability concerns continuity and recovery.
Reliability concerns continuity and recovery.
Cost Optimization covers avoiding unnecessary spending and delivering business value at the lowest appropriate cost.
Cost Optimization covers avoiding unnecessary spending and delivering business value at the lowest appropriate cost.
Operational Excellence concerns effective operations and continual improvement.
Operational Excellence concerns effective operations and continual improvement.
Check official documentation
Compare the following points with the official documentation.
AWS Well-Architected Framework DefinitionsのCost optimizationの説明を確認する。
What to confirm
不要リソースの削減、適切なサイジング、料金モデルの選択をコスト最適化へ対応付けられる。
Key points
- Cost Optimization
- Business value
- Unused resources
Notes
- Environment: AWS公式Well-Architected Frameworkの確認
- Verify current pillar definitions in the official AWS Well-Architected Framework documentation.
Foundation review
Different evaluation axes
Security, Reliability, Performance Efficiency, Cost Optimization, Operational Excellence, and Sustainability address different primary questions, even when one change affects several pillars.
Use the requirement
Map the stated outcome—protection, recovery, efficient resources, lower spending, effective operations, or lower environmental impact—to the corresponding pillar.