A Modular Architecture Template for Resource Modeling in Software-Defined Vehicles

Software-Defined Vehicle (SDV) architectures are expected to reliably run more than 100 million lines of code and to receive 50 to 200 software updates per year, requiring their operating systems and middlewares to safely provide resources for thousands of different services and to allow for regular changes in the runtime environment. To specify and validate the proper resource allocation of such complicated and dynamically changing software architectures, we present an architecture template to model software layers based on modules with formalized interfaces and resource requirements between them. Like building blocks, these modules can be used to model automotive hardware software stacks with their consumed and provided resources to ensure integrability and to support runtime monitoring.