The cost of variability

Julien Ridoux; Darryl Veitch

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https://doi.org/10.1109/ispcs....

Article . 2008 . Peer-reviewed

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https://dx.doi.org/10.1109/isp...

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The cost of variability

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 2008Publisher:IEEEJournal:2008 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication

Authors: Julien Ridoux; Darryl Veitch;

doi: 10.1109/ispcs.2008.4659208

The cost of variability

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Abstract

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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University of Melbourne
Australia

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