http://www.dcs.gla.ac.uk/~johnson/pa...Submission.pdf
The Dangers of Interaction with Modular and Self-Healing Avionics Applications:
Redundancy Considered Harmful
C.W. Johnson, Ph.D.; Department of Computing Science, University of Glasgow, Scotland.
C. Michael Holloway, NASA Langley Research Center, 100 NASA Road, Hampton, VA, USA.