Or, more generally, any "actor" concurrency system. It's built-in in Erlang, you can use Akka in the JVM, there's just a ton of options for message-passing conc

Or, more generally, any "actor" concurrency system. It's built-in in Erlang, you can use Akka in the JVM, there's just a ton of options for message-passing concurrency in Clojure, Go channels offer something similar, and pretty much every language you can think of has some library implementing it. http://en.wikipedia.org/wiki/Actor_model#Actor_libraries_and_frameworks http://en.wikipedia.org/wiki/Actor_model#Actor_libraries_and...