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In-vehicle electronics is displacing the traditional mechanical interfaces and as a result, electrical architecture design is evolving and getting more complex due to increase in automotive electronic content. Several embedded communication protocols are used to build an electrical architecture, with predominant use of Controlled Area Network (CAN) and Local Interconnection Network (LIN). Demand for new electrical features is increasing, to meet and to exceed the customer expectations and also to adapt to new evolving electronic technologies. To accommodate future electrical content, the need for communication bandwidth is increasing at an exponential rate. In addition, some of the safety-critical features require predictability and deterministic network behavior. Current protocols are not capable of satisfying these demands. FlexRay protocol can address these needs with higher bandwidth and determinism.