Availability Zones
Learn how availability zones protect workloads from data-centre failures by distributing resources across physically separate locations within a region.
The Problem Availability Zones Solve
Even inside one region, a single data centre failure — power, fire, flood — can take down your app. That single point of failure is what availability zones fix.
What Is an Availability Zone?
An availability zone is a separate data centre in a region with its own power, cooling, and network. Zones sit kilometres apart, and most supporting regions have three.