Yes The only product I know well in your list is pre-VPC ec2 instances, which (to be fair) are a terrible product : it is cross tenant (as in : you can impact

Yes The only product I know well in your list is pre-VPC ec2 instances, which (to be fair) are a terrible product : it is cross tenant (as in : you can impact other customers). Good riddance. I think many AWS services are well designed : isolated software-only components. They build a lot on top of a very stable infrastructure (VPC / s3 / ec2 / IAM), which means supporting a service is really cheap : they are just a couple of containers running somewhere