AUTOSAR is an open and standardized software architecture for automotive electronics. It aims to establish a common software platform and architecture for automotive suppliers and OEMs, reducing development time, cost and complexity. The architecture consists of several layers, each with its own functionality and interfaces, which communicate via standardized protocols. AUTOSAR also defines a development process, tool chain and methodology to ensure consistency and compatibility across different automotive systems. Knowledge and expertise in AUTOSAR are highly valued in the automotive industry.