This topic describes the limits on endpoint services and endpoints. Before you use the PrivateLink service, take note of the following limits:
Limits on endpoint services
| Resource | Limit | Adjustable |
|---|---|---|
| Maximum number of endpoint services that can be created with each Alibaba Cloud account | 200 | You can go to the Quota Center page to increase the quota. For more information, see Submit an application to increase a quota.
You can increase the quota to up to 1000. |
| Maximum number of service resources that can be added to each endpoint service | 500 | You can go to the Quota Center page to increase the quota. For more information, see Submit an application to increase a quota.
You can increase the quota to up to 3000. |
| Maximum number of service resources that can be added to an endpoint service in each zone | 100 | You can go to the Quota Center page to increase the quota. For more information, see Submit an application to increase a quota.
You can increase the quota to up to 500. |
| Types of service resources that endpoint services support | Internal-facing Server Load Balancer (SLB) instances in a virtual private cloud (VPC) | N/A |
| Types of traffic that endpoint services support | IPv4 traffic | |
| Protocols that endpoint services support | TCP and UDP |
Limits on endpoints
| Resource | Limit | Adjustable |
|---|---|---|
| Maximum number of endpoints that can be deployed in each VPC | 50 | You can go to the Quota Center page to increase the quota. For more information, see Submit an application to increase a quota.
You can increase the quota to up to 1000. |
| Maximum number of elastic network interfaces (ENIs) that can be associated with an endpoint in each zone | 1 | N/A |
| Types of traffic that endpoints support | IPv4 traffic | |
| Maximum bandwidth for each ENI that is associated with an endpoint | 1~10 Gbit/s | |
| Protocols that endpoints support | TCP and UDP |