Janis Putman Model for Fault Tolerance and Policy from RM-ODP Expressed in UML/OCL. 189- 2000 conf/isorc/2000 ISORC http://doi.ieeecomputersociety.org/10.1109/ISORC.2000.839528 db/conf/isorc/isorc2000.html#Putman00