National Laboratory of Communication,UESTC 2017 But,information can be processed. A M 0ifx=y x⊕y={1fx y x⊕y Decode y Decode x x⊕y x⊕y B Figure adapted from Scienific American,Chinese 7/2007 edition Network Traffic EngineeringNetwork Traffic Engineering National Laboratory of Communication, UESTC 2017 But, information can be processed. x⊕y = 0 if x = y 1 if x  y Decode y Decode x Figure adapted from Scientific American, Chinese 7/2007 edition