OS X still has a great basis for interprocess communication via NeXTSTEP's PDO: http://en.wikipedia.org/wiki/Portable_Distributed_Objects http://en.wikipedia.or

OS X still has a great basis for interprocess communication via NeXTSTEP's PDO: http://en.wikipedia.org/wiki/Portable_Distributed_Objects http://en.wikipedia.org/wiki/Portable_Distributed_Objects it's existed for over 20 years now and is IMO unjustly ignored in spite of its simple implementation and low-overhead.