In a distributed system the discrepancy between a node's view of current time and the rest of a system can cause critical deadlines to be missed. It may also be the cause of many unknown system errors. In fact, many real-time applications, such as redundancy management and simultaneous triggering of actuators at several nodes, are impossible without such a global reference time. This paper presents a software-based fault-tolerant clock synchronization technique developed and owned by DRTS Ltd. It provides a predictable and reliable service that enables networked system synchronization down to microsecond precision using negligible network bandwidth.
Fault-Tolerant Clock Synchronization for Safety-Critical Applications
Sae Technical Papers
SAE 2004 World Congress & Exhibition ; 2004
2004-03-08
Conference paper
English
Fault-tolerant clock synchronization for safety-critical applications
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