# Reliability
<a name="reliability"></a>

 The reliability pillar focuses on the ability to prevent and quickly recover from failures to meet business and customer demand. Key topics include foundational elements around setup, cross-project requirements, recovery planning, and change management. 

**Topics**
+ [Design principles](design-principles-rel.md)
+ [Definitions](definitions-rel.md)
+ [Foundations](foundations.md)
+ [Workload architecture](workload-architecture.md)
+ [Change management](change-management.md)
+ [Failure management](failure-management.md)
+ [Key AWS services](key-aws-services-rel.md)
+ [Resources](resources-rel.md)