| Region |
Region |
The geographic location of a data center. You must specify a region when you create
a host or a database instance. You cannot change the region after the creation.
|
| Zone |
Zone |
A physical area where an independent power grid and an independent network are provided
within a region. The network latency between instances within the same zone is shorter
than that between instances in different zones.
|
| ApsaraDB MyBase |
Dedicated Cluster |
A cluster that consists of multiple hosts in the same region. A dedicated cluster
provides you exclusive resources. You can deploy multiple database instances in a
dedicated cluster. Hosts in a dedicated cluster can reside in different zones but
cannot reside in different regions. For more information, see Create a dedicated cluster.
|
| Host |
Host |
A virtual server. For more information, see Create a host.
|
| Instance |
Instance |
An instance is a virtual database server. You can create and manage multiple databases
in an instance. For more information, see Create an instance.
|
| Image |
Image |
Provides the operating system of a host. The Linux and Windows Server operating systems
are supported.
|
| Virtual private cloud (VPC) |
Virtual Private Cloud |
A logically isolated private network that is deployed based on Alibaba Cloud. You
can configure private IP address ranges, routing tables, and gateways for VPCs.
|