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

 The reliability pillar encompasses the ability of a workload to perform its intended function correctly and consistently when it's expected to. This includes the ability to operate and test the workload through its total lifecycle. 

**Topics**
+ [Design principles](design-principles-rel.md)
+ [Foundations](foundations.md)
+ [Workload architecture](workload-architecture.md)
+ [Change nanagement](change-management.md)
+ [Failure management](failure-management.md)