AWS VPC Endpoint and PrivateLink
AWS PrivateLink is technology allowing you to privately ( without Internet ) access services in VPCs. These services can be your own, or provided by AWS. Resources to learn about it more AWS re:Invent 2019: AWS PrivateLink https://stackoverflow.com/questions/66726225/aws-private-link-vs-vpc-endpoint https://www.megaport.com/blog/aws-privatelink-explained/