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SMPTE Meetings and Conferences ( October 2015)
[ACTIVE]

Optimizing Large Media Networks for Highly Accurate Time Transfer via PTP

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Conference Paper
Content Type
Original Research
Volume
2015, No. 10, pp. 1–18
Abstract
In all-IP studio environments synchronization is provided via the Precision Time Protocol (PTP) replacing legacy technologies like genlock. PTP profiles such as SMPTE ST 2059 or AES 67 deliver optimal performance when operated in fully PTP-aware networks. To avoid costly reinvestments existing state-of-the-art network infrastructure should be retained whenever possible, adding PTP devices only at critical locations in the network. For a set of topologies typically found in large media networks synchronization quality is measured both with respect to accuracy and lock time. The presented measurements are performed in presence of a varying amount of media traffic. Subsequently, the networks are enhanced by exchanging single components with PTP aware devices at distinct locations carrying out the identical measurements. Configurations with PTP aware components located at the edge of the network are compared with topologies where PTP aware components reside in the core providing guidelines for optimizing existing networks for PTP
Publication Date
2015-10-26
DOI
10.5594/M001636
ISBN
Print: 978-1-61482-956-0
Link
https://doi.org/10.5594/M001636
Author(s)
Nikolaus KeroOregano Systems Design & Consulting, Franzosengraben 8, 1030 Vienna
Thomas KernenCisco Systems, Avenue des Uttins 5, 1180 Rolle, Switzerland
Tobias MullerOregano Systems Design & Consulting, Franzosengraben 8, 1030 Vienna
Martin SchimandlOregano Systems Design & Consulting, Franzosengraben 8, 1030 Vienna
Keyword(s)
PTP, Mixed Networks, IP, ST 2059
Copyright
© 2015 Society of Motion Picture and Television Engineers, Inc.
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Nikolaus Kero, Thomas Kernen, Tobias Muller, and Martin Schimandl; Optimizing Large Media Networks for Highly Accurate Time Transfer via PTP, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at https://doi.org/10.5594/M001636
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Nikolaus Kero, Thomas Kernen, Tobias Muller, and Martin Schimandl; Optimizing Large Media Networks for Highly Accurate Time Transfer via PTP, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at https://doi.org/10.5594/M001636

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Nikolaus Kero, Thomas Kernen, Tobias Muller, and Martin Schimandl; Optimizing Large Media Networks for Highly Accurate Time Transfer via PTP, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at https://doi.org/10.5594/M001636
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<span class="citation">Nikolaus Kero, Thomas Kernen, Tobias Muller, and Martin Schimandl; <cite>Optimizing Large Media Networks for Highly Accurate Time Transfer via PTP</cite>, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at <a href="https://doi.org/10.5594/M001636" target="_blank" rel="noopener">https://doi.org/10.5594/M001636</a></span>

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Preview:
Nikolaus Kero, Thomas Kernen, Tobias Muller, and Martin Schimandl; Optimizing Large Media Networks for Highly Accurate Time Transfer via PTP, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0
doi: 10.5594/M001636
url: https://doi.org/10.5594/M001636
Snippet:
<li>
Nikolaus Kero, Thomas Kernen, Tobias Muller, and Martin Schimandl; <cite id="bib-10-5594-m001636">Optimizing Large Media Networks for Highly Accurate Time Transfer via PTP</cite>, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0
<span class="doi">10.5594/M001636</span>
</li>