what happens when you type in a URL in browser In an extremely rough and simplified sketch, assuming the simplest possible HTTP request, no proxies and IPv4 (this would work similarly for IPv6-only client, but I have yet to see such workstation): bro
http://www.hiredintech.com/system-design/ Scope the problem: Don't make assumptions; Ask questions; Understand the constraints and use cases. Sketch up an abstract design that illustrates the basic components of the system and the relationships betwe