VPC best practices
In this section, we will go through an exhaustive list of best practices to be followed for AWS VPC. Most of these are recommended by AWS as well. Implementing these best practices will ensure that your resources, including your servers, data, and applications, are integrated with other AWS services and secured in AWS VPC. Remember that VPC is not a typical data center and it should not be treated as one.
Plan your VPC before you create it
Always start by planning and designing architecture for your VPC before you create it. A bad VPC design will have serious implications on the flexibility, scalability, availability, and security of your infrastructure. So, spend a good amount of time planning out your VPC before you actually start creating it.
Start with the objective of creating a VPC: is it for one application or for a business unit? Spec out all subnets you will need and figure out your availability and fault- tolerance requirements. Find out what all connectivity options...