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AUTOSAR is on the road. Many OEMs and suppliers have established processes that are project-proven, flexible, and efficient for developing AUTOSAR-compliant applications. These development processes require a variety of tools that support requirements management, system architecture development, Model-Based Design, and verification and validation. Hence, interoperability of these tools is essential for the completion of high-quality projects on time. Building an interface from one tool to the next is often insufficient because processes for production projects are typically more complex than a top-down or bottom-up flow. However, a tool chain must support iterative development across all phases. For example, when a change in customer requirements triggers modifications to the software architecture, definitions for components, runnables, interfaces, or ports all need to be updated accordingly.