Constraints

Table 1 describes constraints on the VPCEP resource quota.

**Table 1** VPCEP resource quotas
Resource	Default Quota	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	IPv4 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

When you a VPC endpoint, ensure that the associated VPC endpoint service has been created and is in the same region as the VPC endpoint.
One VPC endpoint can connect to only one VPC endpoint service.
A VPC endpoint supports a maximum of 3,000 concurrent requests.
One VPC endpoint service can be connected by multiple VPC endpoints.
One VPC endpoint service corresponds to only one backend resource.