From my experience, using libraries on top of ZMQ is not the same as using Erlang directly. Yes, you get the same semantics but it never quite feels right, and

From my experience, using libraries on top of ZMQ is not the same as using Erlang directly. Yes, you get the same semantics but it never quite feels right, and sometimes will end up reinventing the wheel to end up writing the glue code that resembles a half baked version of Erlang/OTP.