Efficient Monitoring of ST2059-2 based Time Transfer Performance

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2016, No. 10, pp. 1–14
Abstract: In any mission critical broadcasting application, reliable synchronization is mandatory. For traditional black burst or tri-level based synchronization redundant sync signal generators are used, whose quality is monitored together with their respective switch-over units. To make best use of a single shared communication medium within an All-IP studio, synchronization is accomplished using the IEEE 1588 Precision Time Protocol. 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 multi-hop network architecture.
Publication Date: 2016-10-25
DOI: 10.5594/M001697
ISBN: Print: 978-1-61482-957-7
Link: https://doi.org/10.5594/M001697
Author(s): Nikolaus KeroOregano Systems
Thomas KernenCisco
Tobias MullerOregano Systems
Keyword(s): PTP, ST 2059-2, Time & Sync, Redundancy, Monitoring
Copyright: © 2016 Society of Motion Picture and Television Engineers, Inc.

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
R. Zarick, M. Hagen, and R. Bartos, “Transparent Clocks vs. Enterprise Ethernet Switches”, Proceedings of the ISPCS 2011, Munich Sept 4th-9th, 2011, , ISBN: 978-1-61284-892-1, pp 62-68 EXTERNAL
A. Puhm, A. Mahmood, T. Bigler, and N. Kerö, “Synchronizing an IEEE 1588 Slave Clock Over Both Paths of a Redundant Ethernet System”, Proceedings of the 2016 ISCPS, Stockholm September 7-9 2016, ISBN: 978-1-4673-9614-1, pp 45-50 EXTERNAL
IEEE 1588, “IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems,” IEEE Instrumentation and Measurement Society, Piscataway, NJ, 2008. EXTERNAL
A.Komes, C. Marinescu, “IEEE 1588 for Redundant Ethernet Networks”, Proceedings of the 2012 ISCPS, September 23 - 28, 2012 || San Francisco, ISBN: 978-1-4577-1715-4, pp 108-113 EXTERNAL
T. Mizrahi, “Slave Diversity: Using Multiple Paths to Improve the Accuracy of Clock Synchronization Protocols”, Proceedings of the 2012 ISCPS, September 23 - 28, 2012 || San Francisco, ISBN: 978-1-4577-1715-4, pp 56-60 EXTERNAL
SMPTE ST 2059-2:2015 [Superseded]

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Nikolaus Kero, Thomas Kernen, and Tobias Muller; Efficient Monitoring of ST2059-2 based Time Transfer Performance, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at https://doi.org/10.5594/M001697

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Nikolaus Kero, Thomas Kernen, and Tobias Muller; Efficient Monitoring of ST2059-2 based Time Transfer Performance, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at https://doi.org/10.5594/M001697

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<span class="citation">Nikolaus Kero, Thomas Kernen, and Tobias Muller; <cite>Efficient Monitoring of ST2059-2 based Time Transfer Performance</cite>, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7. Available at <a href="https://doi.org/10.5594/M001697" target="_blank" rel="noopener">https://doi.org/10.5594/M001697</a></span>

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Nikolaus Kero, Thomas Kernen, and Tobias Muller; <cite id="bib-10-5594-m001697">Efficient Monitoring of ST2059-2 based Time Transfer Performance</cite>, SMPTE Meetings and Conferences ( October 2016); SMPTE, 2016, ISBN: 978-1-61482-957-7
<span class="doi">10.5594/M001697</span>
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