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doc-exports/docs/gaussdb_nosql/umn/nosql_01_0003.html
Wang , Deng Ke ec78a6ee8e nosql UMN 20221110 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com>
Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
2022-11-29 07:38:28 +00:00

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Regions and AZs

Concepts

A region and availability zone (AZ) identify the location of a data center. You can create resources in a specific region and AZ.

  • A region is a physical data center. Each region is completely independent, improving fault tolerance and stability. After a resource is created, its region cannot be changed.
  • An AZ is a physical location using independent power supplies and networks. Faults in an AZ do not affect other AZs. A region can contain multiple AZs, which are physically isolated but interconnected through internal networks. This ensures the independence of AZs and provides low-cost and low-latency network connections.
Parent topic: Introduction