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  Networking in Cloud: VPC, Subnets, Gateways, and DNS 📅 Published: Feb 2026 ⏱️ Estimated Reading Time: 18 minutes 🏷️ Tags: Cloud Networking, VPC, Subnets, Route Tables, NAT Gateway, DNS, AWS, Azure, GCP Introduction: Building Your Cloud Network When you move to the cloud, you are building a virtual data center. Just like a physical data center needs networking—routers, switches, firewalls, and cables—your cloud environment needs networking to connect resources, control access, and communicate with the internet. Cloud networking gives you complete control over your virtual network. You define the IP address space, divide it into subnets, control traffic with route tables, and connect to the internet through gateways. This guide covers the fundamental networking components that every cloud architecture needs: Virtual Private Clouds, subnets, route tables, internet gateways, NAT, and DNS services. Virtual Private Cloud (VPC): Your Isolated Network What is a VPC? A Virtual Private C...