Regions and AZs

Concepts

The combination of a region and an availability zone (AZ) identifies the location of a data center. You can create resources in a specific AZ in a region.

shows the relationship between regions and AZs.

Selecting an AZ

When determining whether to deploy resources in the same AZ, consider your applications' requirements on disaster recovery (DR) and network latency.

For high DR capability, deploy resources in different AZs in the same region.
For low network latency, deploy resources in the same AZ.

Parent topic: Service Overview

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Application Scenarios

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