Feasibility Study for a Secure and Seamless Integration of Over the Air Software Update Capability in an Advanced Board Net Architecture

Paper #:
  • 2016-01-0056

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0056
Citation:
Steurich, B., Scheibert, K., Freiwald, A., and Klimke, M., "Feasibility Study for a Secure and Seamless Integration of Over the Air Software Update Capability in an Advanced Board Net Architecture," SAE Technical Paper 2016-01-0056, 2016, doi:10.4271/2016-01-0056.
Pages:
12
Abstract:
Vehicle manufacturers are challenged by rising costs for vehicle recalls. A major part of the costs are caused by software updates. This paper describes a feasibility study on how to implement software update over the air (SOTA) in light vehicles. The differences and special challenges in the automotive environment in comparison to the cellular industry will be explained.Three key requirements focus on the drivers’ acceptance and thus are crucial for the vehicle manufacturers:SOTA must be protected against malicious attacks.SOTA shall interfere as little as possible with the availability of a vehicle. Long update processes with long vehicle downtimes or even complete fails must be avoided.The functional safety of the vehicle during operation may not be limited in any wayThe study gives options how those objectives can be achieved. It considers the necessary security measures and describes the required adaptations of the board-net architectures both on software and hardware level.
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