8 - Concurrency

Horizontal scalability with the processes model.

The app can be seen as a set of processes of different types

Each process needs to be able to scale horizontally, it can have its own internal multiplexing.

What does that mean for our application ?

The messageApp only have one type of process (http server), it's doing the multiplexing using Node.js http server.

This process can be easily scalable (stateless process).