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SMPTE Motion Imaging Journal ( Volume: 126, Issue: 4, 2017)
[ACTIVE]

Efficient Monitoring of ST2059-2 Based Time Transfer Performance

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
SMPTE Mot. Imag. J
Volume
126, No. 4, pp. 1–8
Abstract
In any mission critical-broadcasting application, reliable synchronization is mandatory. For traditional black burst or trilevel-based synchronization, redundant sync signal generators are used, whose quality is monitored together with their respective switch-over units. To make the best use of a single shared communication medium within an all-IP studio, synchronization is accomplished using the IEEE 1588 Precision Time Protocol (PTP). Although multiple sync sources are deployed for redundancy purposes, the monitoring of their availability and precision is not sufficient to guarantee the defined level of accuracy. Additional data has to be gathered and analyzed by every node prior to deployment and as part of its ongoing operation. After briefly describing the main effects influencing PTP accuracy, several monitoring methods using both in-band and out-of-band are described, including how this benefits operations in the broadcast plant. Finally, we verify their respective merits through a series of measurements in a datacenter class multihop network architecture.
Publication Date
2017-05-01
DOI
10.5594/JMI.2017.2680560
ISSN
Print: 1545-0279 | Electronic: 2160-2492
Link
https://doi.org/10.5594/JMI.2017.2680560
Author(s)
Nikolaus Kerö
Thomas Kernen
Tobias Müller
Keyword(s)
PTP, Monitoring, Redundancy, ST 2059-2, Time & Sync
Copyright
© 2017 SMPTE

Bibliographic Reference(s)

  • Analysis of Precision Time Protocol (PTP) Locking Time on Non-PTP Networks for Generator Locking over IP [Active]
  • AES67.2015 — Audio Engineering Society (AES), AES67-2015, “AES Standard for Audio Applications of Networks–High-performance Streaming Audio-over-IP Interoperability.” EXTERNAL
  • IEEE.STD1588.2008 — IEEE Std 1588-2008, IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems, 2008 EXTERNAL
  • T. Mizrahi, “Slave Diversity: Using Multiple Paths to Improve the Accuracy of Clock Synchronization Protocols,” Proc. ISCPS’12, San Francisco, CA, pp. 56–60, Sep. 2012. EXTERNAL
  • A. Komes and C. Marinescu, “IEEE 1588 for Redundant Ethernet Networks,” Proc. ISCPS’12, San Francisco, CA, pp. 108–113, Sept. 2012. EXTERNAL
  • R. Zarick, M. Hagen, and R. Bartos, “Transparent Clocks vs. Enterprise Ethernet Switches,” Proc. ISPCS, Munich, Germany, pp. 62–68, Sept. 2011. EXTERNAL
  • A. Puhm et al., “Synchronizing an IEEE 1588 Slave Clock Over Both Paths of a Redundant Ethernet System,” Proc. ISCPS’16, Stockholm, Sweden, pp. 45–50, Sept. 2016. EXTERNAL
  • SMPTE ST 2059-2:2015 [Superseded]
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Nikolaus Kerö, Thomas Kernen, and Tobias Müller; Efficient Monitoring of ST2059-2 Based Time Transfer Performance, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 4, 2017); SMPTE, 2017. Available at https://doi.org/10.5594/JMI.2017.2680560
Snippet:
Nikolaus Kerö, Thomas Kernen, and Tobias Müller; Efficient Monitoring of ST2059-2 Based Time Transfer Performance, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 4, 2017); SMPTE, 2017. Available at https://doi.org/10.5594/JMI.2017.2680560

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Nikolaus Kerö, Thomas Kernen, and Tobias Müller; Efficient Monitoring of ST2059-2 Based Time Transfer Performance, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 4, 2017); SMPTE, 2017. Available at https://doi.org/10.5594/JMI.2017.2680560
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<span class="citation">Nikolaus Kerö, Thomas Kernen, and Tobias Müller; <cite>Efficient Monitoring of ST2059-2 Based Time Transfer Performance</cite>, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 4, 2017); SMPTE, 2017. Available at <a href="https://doi.org/10.5594/JMI.2017.2680560" target="_blank" rel="noopener">https://doi.org/10.5594/JMI.2017.2680560</a></span>

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Nikolaus Kerö, Thomas Kernen, and Tobias Müller; Efficient Monitoring of ST2059-2 Based Time Transfer Performance, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 4, 2017); SMPTE, 2017
doi: 10.5594/JMI.2017.2680560
url: https://doi.org/10.5594/JMI.2017.2680560
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Nikolaus Kerö, Thomas Kernen, and Tobias Müller; <cite id="bib-10-5594-jmi-2017-2680560">Efficient Monitoring of ST2059-2 Based Time Transfer Performance</cite>, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 4, 2017); SMPTE, 2017
<span class="doi">10.5594/JMI.2017.2680560</span>
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