Validation of CAN-CAN gateway in the automotive network system

Currently, the increasing functions required for the automobile are making the automotive network more complicated. As this complexity grows, the increment of network bus load is one of the problems. To solve this issue, using a gateway is one solution. However, if one behavior in the gateway goes wrong, sending accurate information to the gateway or Electronic Control Unit (ECU) of another domain is impossible, and this will bring malfunctions to the automotive system. Currently there are no definite evaluation entries for gateway behavior, or evaluation standards for the stability and reliability of a network using the gateway. The purpose of this paper is to propose entries for validating CAN-CAN gateway behavior, and a validation method. Also, this paper validates the entries and the method by using an embedded system gateway.