Architecture: How EC2 Works

You spin up an instance, SSH in, and it just works. You get a Linux prompt, a fixed amount of memory, network access, and a disk. Where that instance actually runs, what it shares with other instances, how your keystrokes travel from your laptop to that shell — all of it is invisible. That invisibility is the product. But understanding what is underneath it changes how you design for failure, choose instance types, tune networking, and debug the… Read More