The Internet Direct

The Internet is often described as a "network of networks"—a massive global collection of interconnected systems that allows computers to communicate and share data instantly. How It Functions

: It was originally designed to be a resilient communication system that could survive a nuclear attack by having no single central hub. The Internet

The Internet began in the 1960s as a U.S. military project called . The Internet is often described as a "network

: Devices use shared "languages" or rules, such as TCP/IP , to ensure these packets reach their destination in the correct order. such as TCP/IP

At its core, the Internet is a physical infrastructure consisting of hundreds of thousands of miles of underwater cables, satellites, and fiber optics.