Common Concepts
This section introduces the common concepts about DESS.
Region
A region is a geographical area. A country can be geographically divided into different regions. The proximity principle is followed when selecting a region. This principle helps reduce network latencies to improve access to services.
Availability Zone
An availability zone (AZ) is a geographical area with an independent network and an isolated power supply in the same service zone. In general, an AZ is an independent physical equipment room to ensure its independence. One region has multiple AZs. If one AZ becomes faulty, the other AZs in the same region can still provide services. AZs in the same region access each other through the intranet.
Dedicated Cloud
The Huawei Dedicated Cloud (DeC) is a service that provides a physically isolated virtual resource pool exclusively for a user. A DeC is similar to a self-built and dedicated private cloud. Users can centrally manage and exclusively use computing, storage, and network resources in the DeC through a management console.
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