Larry O'Brien, global marketing manager for the Fieldbus Foundation, authored an article entitled "FOUNDATION Fieldbus: Back to Basics with VirtualMarshalling," which is included in the Fieldbus Report (Spring 2013) supplement. It is look at the future of distributed I/O, and the premise behind it is that the future of distributed I/O has actually been around for quite some time with FOUNDATION fieldbus.
The Spring 2013 issue of the Fieldbus Report can be downloaded from the Fieldbus Foundation website.