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Transmission delays in hardware clock synchronization

By: Shin, K.G.; Ramanathan, P.;

1988 / IEEE


This item was taken from the IEEE Periodical ' Transmission delays in hardware clock synchronization ' Various methods, both with software and hardware, have been proposed to synchronize a set of physical clocks in the system. Software methods are very flexible and economical but suffer an excessive time overhead, whereas hardware methods require no time overhead but are unable to handle transmission delays in clock signals. The effects of nonzero transmission delays in synchronization have been studied extensively in the communication area in the absence of malicious or Byzantine faults. The authors show that it is easy to incorporate the ideas from the communication area into the existing hardware clock synchronization algorithms in order to take into account the presence of both malicious faults and nonzero transmission delays.<>