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This paper presents an overview of the evolution & revolution of automotive E/E architectures and how we at Bosch, envision the technology in the future. It provides information on the bottlenecks for current E/E architectures and drivers for their evolution. Functionalities such as automated driving, connectivity and cyber-security have gained increasing importance over the past few years. The importance of these functionalities will continue to grow as these cutting-edge technologies mature and market acceptance increases. Implementation of these functionalities in mainstream vehicles will demand a paradigm shift in E/E architectures with respect to in-vehicle communication networks, power networks, connectivity, safety and security. This paper expounds on these points at a system level.

The development of vehicle communication networks is challenged not only by the increasing demand in data exchange and required data rate but also the need to connect the vehicle to external sources for personal connectivity of driver and car to infrastructure applications. Solutions are required to master complexity of in-vehicle communication networks, e.g. diagnostic access, flashing of Electronic Control Units, the data backbone connecting the vehicle domains and the data transfer of cameras. Safety (data transfer) and security (violation) issues of the communication networks gain more importance especially by introducing interfaces to external sources either via mobile devices or by connecting the vehicle to other external sources, e.g. Internet and Car to Infrastructure applications. The Internet Protocol (IP) appears to be an ideal solution to address these challenges, especially in connection with an Ethernet physical layer for fast data transfer.