@undefined yes, for us all hardware was located in the same rack.

Oh, the blog posts explaining it all return 403 FORBIDDEN errors.

http://blog.paralleluniverse.co/post/26909672264/on-distributed-memory

@http://docs.paralleluniverse.co/galaxy/

Try that. I believe somewhere there is also a discussion on gamedev. Also its not that different from stuff like hazelcast etc. They are well documented with lots of research papers around the general topic.