可变性的代价

2008 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication Pub Date : 2008-10-24 DOI:10.1109/ISPCS.2008.4659208

J. Ridoux, D. Veitch

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引用次数: 12

摘要

我们使用两种软件时钟探索在可变延迟存在下执行同步的鲁棒性:tsc时钟，旨在取代ntpd进行互联网同步，以及ptpd, IEEE-1588的软件实现。使用精确的比较方法，TSCclock被证明更准确，更健壮。我们将更广泛地讨论其原因及其对IEEE-1588的影响。

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The cost of variability

We explore the robustness of synchronization performed in the presence of variable latencies using two software clocks: the TSCclock, designed to replace ntpd for Internet synchronisation, and ptpd, a software implementation of IEEE-1588. Using a precise comparison methodology the TSCclock is shown to be more accurate and far more robust. We discuss the reasons why and the implications for IEEE-1588 more generally.

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2008 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication

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