Which pillar of the AWS Well-Architected Framework refers to the ability of a system to recover from infrastructure or service disruptions and dynamically acquire computing resources to meet demand?
B. Reliability
The reliability pillar focuses on workloads performing their intended functions and how to recover quickly from failure to meet demands. Key topics include distributed system design, recovery planning, and adapting to changing requirements.
https://aws.amazon.com/architecture/well-architected/
If you are considering C.Performance Efficiency, here's the explanation:
The performance efficiency pillar focuses on structured and streamlined allocation of IT and computing resources. Key topics include selecting resource types and sizes optimized for workload requirements, monitoring performance, and maintaining efficiency as business needs evolve.
https://aws.amazon.com/architecture/well-architected/
Based on the AWS Well-Architected Framework, reliability is built on:
Foundations: Proper account structure, quotas, monitoring
Change Management: Controlled and automated deployments
Failure Management: Detecting, responding, and recovering from failures
Effective Failure Management and availability of resources without impact BAU is the key for reliability of AWS well-Architected framework.
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