This topic describes the limits of Global Accelerator (GA). Make sure that you have read and understand these limits before you get started.

Instance limits

Item Limit Adjustable
The maximum number of GA instances that can be created with each account 10 Apply for a quota increase
The types of backend server that can be associated with a GA instance Server Load Balancer (SLB) instances, Elastic Compute Service (ECS) instances, Alibaba Cloud public IP addresses, and IP addresses or domain names of custom origin servers
Note
  • You can specify ECS or SLB as the backend service type only if your account is added to the whitelist. To specify ECS or SLB as the backend service type, submit a ticket.
  • Only an ECS instance or SLB instance in a virtual private cloud (VPC) can be specified as an endpoint.
  • The IP addresses of endpoint groups associated with each GA instance must be globally unique and not conflict with those of other GA instances.
N/A
Support for TCP and UDP segmentation No N/A

Acceleration area limits

Item Limit Adjustable
The minimum bandwidth that can be allocated to each region in an acceleration area 2 Mbps N/A
Note For more information about the mappings between the acceleration areas of GA and Alibaba Cloud regions, see Acceleration areas and regions.

Listener limits

Item Limit Adjustable
The maximum number of listeners that can be created for each GA instance 10 Submit a ticket
The maximum number of listening ports that can be specified for each listener 30 Submit a ticket
The range of port numbers that can be assigned to TCP and UDP listeners 1~65499 N/A

Endpoint group limits

Item Limit Adjustable
The maximum number of endpoint groups that can be associated with each listener 1 N/A
The maximum number of endpoints that can be added to each endpoint group 4 Apply for a quota increase