VPCs, Subnets, and Route Tables: AWS Networking Made Simple
When it comes to building secure and scalable cloud environments, networking is the backbone of everything you do on AWS. Whether you’re deploying a simple web application or architecting a complex multi-tier infrastructure, understanding VPCs, Subnets, and Route Tables is essential. In this article, we’ll break down these foundational AWS networking components in simple terms, explain how they work together, and show how you can use them to build a reliable and efficient network setup. 1. What is a VPC (Virtual Private Cloud)? A VPC (Virtual Private Cloud) is your own private network within AWS. Think of it as your personal data center in the cloud — isolated, secure, and fully customizable. With a VPC, you can define: Your own IP address ranges (e.g., 10.0.0.0/16) Subnets to segment your resources Route tables to control traffic flow Internet Gateways (IGW) or NAT Gateways for internet access Security Groups and Network ACLs for traffic filtering ...