Core · Module 06

Networks & the Internet

A global system with no central authority that mostly works. Understanding why is a lesson in designing for failure.

By the end of this module

You can explain what happens between typing a URL and the page arriving.

0%0 / 3 complete
02

IP, TCP and congestion control

How does the network avoid collapsing under its own load?

03

DNS, HTTP and TLS

What does your browser trust, and why?

ReadingFree
High Performance Browser Networking ↗

Ilya Grigorik

Free online, and the clearest explanation of the modern web stack.

Quiz

Not written yet for this module. The lectures above are complete and the module still counts toward your progress.