AWS VPC — Your Private Network in the Cloud, Explained from the Ground Up

AWS VPC is AWS’s logically isolated private network layer for building secure cloud workloads.

The guide explains core VPC building blocks: CIDR/IP addressing, subnets, route tables, internet gateways, security groups, NACLs, and NAT gateways.

It also shows how public and private subnets are designed to control internet access and segment resources like EC2 instances.

Understanding VPC is essential for creating secure, reachable, and well-structured AWS architectures.