A motor vehicle bumper system comprising an outer shell of an automotive bumper having an inner surface generally oriented toward the vehicle. The first semiconductor region has a first conductivity type. If no routing entry for the source address is found in a routing table of a switch module in the distributed network switch, routing information is determined for the source address and a routing entry is generated. The backend servers may be coupled to the data sources of interest. A custody transfer rule may be trigged by the occurrence of a particular event, such as the receipt of an electronic signature.