The Domain Name System (DNS) is a hierarchical and decentralized naming system that translates human-readable domain names, like www.example.com, into machine-readable IP addresses. It functions as the internet's phonebook, enabling users to access websites using easy-to-remember names instead of numerical IP addresses.

Domain Name System (DNS)

The Domain Name System (DNS) acts as the phonebook of the internet, translating human-friendly domain names into IP addresses that computers use to identify each other on the network. It is a hierarchical and decentralized naming system that ensures efficient and reliable access to websites and online services.

Domain Name System

Hierarchical naming system

decentralized naming system

human-readable domain names

machine-readable IP addresses

internet's phonebook

easy-to-remember names

numerical IP addresses

Understanding the Core Concepts of Computer Networks

DNS Namespace Partitioning

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