Separating these concerns doesn’t strictly preclude (or at least needn’t strictly preclude) shipping a single, sub-megabyte binary. The “classic example” of th

Separating these concerns doesn’t strictly preclude (or at least needn’t strictly preclude) shipping a single, sub-megabyte binary. The “classic example” of this would be Quake — a single binary implements both a server and a client, which communicate over a simple binary protocol.