Notes and Constraints

Table 1 describes quotas and constraints on VPC Endpoint resources.

**Table 1** VPC Endpoint resource quotas and constraints
Resource	Default Quota and Constraints	How to Increase Quota
VPC endpoint services per account in one region	20	Submit a service ticket.
VPC endpoints per account in one region	50	Submit a service ticket.
Traffic types	Basic: indicates the original VPC endpoints, which support IPv4 traffic. Professional: IPv4 and IPv6 traffic	N/A
Types of backend resources that can be configured as VPC endpoint services	Load balancer, ECS, and BMS
Protocols supported by VPC endpoint services	TCP and UDP

Basic VPC endpoints:

When you a VPC endpoint, ensure that the associated VPC endpoint service is deployed in the same region as the VPC endpoint.
One VPC endpoint can connect to only one VPC endpoint service.
One VPC endpoint service can have only one backend resource.
One VPC endpoint supports up to 3,000 concurrent connections.
One VPC endpoint service can be connected by multiple VPC endpoints.

Professional VPC endpoints:

Before purchasing a VPC endpoint, ensure that in the same region, there is a VPC endpoint service to be connected.
One VPC endpoint can connect to only one VPC endpoint service.
One VPC endpoint service can be connected by multiple VPC endpoints.
One VPC endpoint service can have only one backend resource.
One VPC endpoint supports up to 50,000 new connections.
One VPC endpoint supports up to 1,000,000 concurrent connections.
One VPC endpoint supports up to 10 Gbit/s of bandwidth.