Networking guide
How the Internet Works (No Jargon Required)
A plain-English guide to how the internet actually works — what happens when you type a URL, IP addresses, DNS, packet switching, TCP/IP, routing and BGP, the undersea cables underneath it all, and who really runs the internet. No jargon.
8 lessons·≈ 1 hr read·Free, no account
- 01What Happens When You Type a URL and Press Enter?Beginner·10 min
- 02IP Addresses Explained: How Every Device on the Internet Gets FoundBeginner·10 min
- 03How DNS Works: The Internet's Phonebook, ExplainedBeginner·10 min
- 04Packet Switching Explained: Why the Internet Chops Everything Into PiecesBeginner·9 min
- 05TCP/IP Explained: How Unreliable Packets Become Reliable DeliveryIntermediate·11 min
- 06How Internet Routing Works: How a Packet Finds Its Way Across the WorldIntermediate·10 min
- 07The Physical Internet: Undersea Cables, ISPs, and What the Cloud Really IsBeginner·10 min
- 08Who Runs the Internet? Nobody, and Everybody — ExplainedBeginner·9 min