easy · 1h · 5 steps
Networking Foundations: Follow an API Request
Build a layered mental model of an HTTPS request, inspect its route, trace its execution, and practice explaining network paths.
Curriculum (5 steps)
1
Follow an HTTPS API request from a browser through name resolution, transport, TLS, HTTP, server code, and back.
2
An API Request's Journey
diagramsFollow an HTTPS request from browser to service and watch its response return through the same system.
3
Walk one fresh HTTP/2 request over TCP from URL parsing through DNS, TLS, server handling, and the response.
4
Network Delay Time
practiceModel one-way network links as a weighted directed graph and find when every reachable node receives a signal.
5
A practice prompt about the browser, network protocols, edge services, and application work behind a page load.