I would like to deploy a remote actors software made with akka on a cluster. The system is composed of several worker nodes and a single master node. The problem is that I canno
Take a look at jgroups.
http://jgroups.org/
It meets all of your criteria - it is lightweight, open source and very mature, stable product.
You can easily configure it for automatic group management and discovery based on your requirements - it supports almost any network configuration - you can use multicast, shared file, or unicast for group member discovery.