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With the next generation of avionics systems, more sensors and actuators will be required for an ever increasing number of functions. In this paper, we propose a system architecture based on several enhancements to the IEEE 1451 standard, granting it a wider application range, improved resource efficiency and a generic and reusable character. This architecture facilitates the integration of next generation smart sensors with a wide range of avionics data communication networks and allows the specification of generic features to be respected. In order to meet the requirements of avionics applications, this architecture that provides a design framework offers customization of features such as bandwidth, reliability, resources utilization and compatibility with different types of transducers, especially smart sensors. The resulting resource utilization and reliability are analyzed for several configurations that provide a basis for comparison.