DNS, DHCP, NAT

Three Services That Get Devices Online

Before any device can communicate on the internet, three fundamental services work behind the scenes. DNS translates human-friendly domain names like google.com into machine-readable IP addresses so your browser knows where to send requests. DHCP automatically assigns IP addresses to devices joining a network, eliminating the need for manual configuration. NAT allows multiple devices on a private network to share a single public IP address by rewriting packet headers as traffic crosses the boundary. Together, these three protocols form the invisible foundation that makes seamless internet…