[sjtgraham]

Because Phoenix has a WS abstraction (Channels) and supports it out of the box.

[Swennemans]

Yes but isn't one of Elixir's strenghts that it scales very well on a single machine? Why do we need the load balancing?

[iEchoic]

Every backend architecture should account for having multiple machines. What are you going to do once you get enough traffic that one machine can't handle it?