Resource Location

Some resources are available in all regions around the globe, while others are only available in specified regions or AZs.

Resource	Type	Description
Account of Huawei Cloud	Global	You can use the same Huawei Cloud account across all regions.
Predefined tags	Global	You can use the same predefined tag in all regions.
Key pair	Global or regional	A key pair you create on the management console is associated with the region where it is created. You can create your own RSA key pair and import it into the region where you want to use it. Therefore, you can upload a key pair to each region to use it globally. For details about key pairs, see Using an SSH Key Pair.
Resource identifier	Regional	Each resource identifier (such as instance ID, EVS disk ID, and VPC ID) is associated with a region and can be used only in the region where the resource is created.
User-defined resource name	Regional	Each resource name (such as the security name and key pair name) is associated with a region and can be used only in the region where the resource is created. Although you can create resources with the same name in different regions, the resources are not associated with each other.
VPC	Regional	A VPC is associated with a region and can only be associated with instances in the same region.
EIP	Regional	An EIP is associated with a region and can only be associated with instances in the same region.
Security group	Regional	A security group is associated with a region and can only be allocated to instances in the same region. The security group rule cannot be used to enable communication between instances in different regions.
Image	Regional	An image is associated with a region and can only be associated with instances in the same region. The image can be a public, private, or shared image.
Instance	AZ	An instance is associated with an AZ, but the instance ID is associated with a region.
Disk	AZ	A disk is associated with an AZ and can only be attached to instances in the same AZ.
Subnet	AZ	A subnet is associated with an AZ and can only be associated with instances in the same AZ.