How does event-driven programming help a webserver that only does IO?

Question

I\'m considering a few frameworks/programming methods for our new backend project. It regards a BackendForFrontend implementation, which aggregates downstream services. For

Answer 1

The whole idea of non-blocking paradigm is achieved by this idea called "Event Loop"

Interesting references:

1. http://www.masterraghu.com/subjects/np/introduction/unix_network_programming_v1.3/ch06lev1sec2.html
2. Understanding the Event Loop
3. https://www.youtube.com/watch?v=8aGhZQkoFbQ