Three major trends are currently revolutionizing vehicle design: automated, electric and connected driving. These trends have farreaching consequences for the vehicle‘s electrical/electronic (E/E) architecture.

Conventional network architectures, which have generally been characterized by signalbased communication and physically separated bus systems with different functions, are to be replaced by zonal E/E architectures. In the zonal approach, the end devices are not distributed and interconnected according to their function, but to their optimal location within the vehicle. Such an architecture offers the potential to reduce the overall length of the wiring harness by up to 50%, a component that is the largest, heaviest, and most costly in the vehicle.

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