Client-server model

A client sends a request over the network and a server returns a response. Every web system, however large, is built from this exchange repeated millions of times.

Where it shows up in real systems

  • Users

    The traffic profile of the exercise starts here: request volume, read/write mix, peaks and where users are located. You cannot delete it, but you can see what it sends.

    In production: Web browsers, iOS and Android apps, Partner APIs

See it break, then fix it

Build an architecture, send it a day of traffic and outages, and learn why it holds or fails. Free to start.