A subnet in AWS is like a physical building within a specific location (called a region). For example, take the Ireland region (eu-west-1). In Dublin, AWS may have 3 separate buildings — each one is a subnet, located in a different Availability Zone (AZ). 📌 Why Subnets Exist This setup is all about High Availability…
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Amazon VPC (Virtual Private Cloud) is like your own mini data center in the cloud. Routing within a VPC is essential for controlling how traffic flows between subnets, the internet, and other AWS or on-premises networks. 🧭 1. What Is a Route Table? A route table in AWS defines how traffic is directed within and…
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☁️ AWS Networking Terminology (with Explanations) 📊 Diagram BelowThe diagram illustrates how connections between VPCs and AWS Regions work — including how traffic flows through Transit Gateways and peering links.