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The main goal of a clock synchronization service is to keep a consistent perception of time among the nodes of the system. In this context, consistency means that at any instant, the values of all the clocks in the system do not differ more than a given amount, which is called the precision. Moreover, clock synchronization is said to be fault tolerant if the intended precision is guaranteed despite...
The controller area network (CAN) is facing a great opportunity. The maturity of this technology makes many researchers believe that CAN may be adopted in more critical systems. However, the suitability of CAN for these challenging applications strongly depends on our capacity to integrate all the solutions already available into a single, comprehensive architecture. We claim that clock synchronization...
A reported liability of the controller area network protocol is that it does not provide a clock synchronization service. Therefore, whenever a CAN-based distributed embedded system requires its nodes to have a common time base, clock synchronization has to be implemented by means of an external mechanism. In a previous work, we proposed a fault-tolerant and high-precision clock synchronization protocol...
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