Other Lessons
Explore additional AWS cost optimization techniques that complement core strategies. Learn how to use IPv6 egress-only gateways to reduce NAT expenses, leverage CloudFormation for resource management, automate snapshot lifecycle, and identify abandoned EBS volumes. This lesson helps you refine your cost-saving skills and maintain lean AWS operations.
Here are some other tips to help optimize costs that did not fit neatly into the other lessons.
Internet from a private subnet without NAT
Normally, if we want our resources in a private subnet to access the internet, we would use a NAT gateway. NAT gateways incur charges based both per hour and per GB processed through. This is recommended if we have many resources that need to access the internet from a private subnet. However, let’s say we only have one or two Linux servers that we want to be able to download updates. A clever way around having to run a NAT gateway is to use an IPv6 egress-only gateway. ...