3 documented AWS VPC cost inefficiencies, each with how to detect it and how to fix it.
AWS VPCCER-0118
When EC2 instances, Lambda functions, or containerized workloads in private subnets access AWS-managed services without VPC Endpoints, that traffic typically reaches the service's public endpoint through a NAT Gateway, and every GB incurs...
AWS VPCCER-0038
VPC Interface Endpoints are commonly deployed to meet network security or compliance requirements by enabling private access to AWS services. However, these endpoints often remain provisioned even after the original use case is deprecated....
AWS VPCCER-0349
Since February 1, 2024, AWS charges an hourly fee for every public IPv4 address, whether it is idle or attached to a running resource. Many resources still receive public addresses they never use: default subnets and subnets with...