Another difference I ran across was in handling VPC subnets. With EC2 Classic, you didn't have to worry about subnets at all, and although you can label subnets with names in a VPC, when you spawn a ...

With ClickHouse BYOC on AWS, we make all the features of a fully-managed ClickHouse Cloud available in an operating environment known and trusted by our customers…their own AWS VPC." ...