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Bezpieczna i pewna synchronizacja czasu w ważnej infrastrukturze państwowej – ENERGETYKA. Wady synchronizacji opartej o odbiorniki GNSS i sieć Ethernet NTP/PTP

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W latach 2015–2017 firma Elproma uczestniczyła w międzynarodowym projekcie DEMETRA Horizon 2020. Projekt dostarczył 9 nowych usług synchronizacji, wspierających wdrażany przez UE system GALILEO. Aby dobrze wykonać powierzone zadania, DEMETRA poprzedzona była licznymi badaniami rynku określającymi zapotrzebowanie przemysłu na usługi synchronizacji. Przeprowadzono na terenie UE liczne audyty techniczne wybranych systemów synchronizacji opartych o satelitarny system GPS i sieć Ethernet TCP/IP, a ich wyniki odsłoniły liczne niedoskonałości obecnych rozwiązań.
Rocznik
Strony
52--63
Opis fizyczny
Bibliogr. 43 poz., rys., tab., wykr.
Twórcy
autor
  • ELPROMA, Łomianki
autor
  • ELPROMA, Łomianki
autor
  • ELPROMA, Łomianki
autor
  • ELPROMA, Łomianki
autor
  • ELPROMA, Łomianki
Bibliografia
  • [1] Tavella P. and DEMETRA Consortium, The Horizon 2020 DEMETRA project: DEMonstrator of EGNSS services based on Time Reference Architecture, Metrology for Aerospace (Metro-AeroSpace), 2015 IEEE Benevento 2015, http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7180634.
  • [2] Daniluk G., Wlostowski T.: White Rabbit: The subnanosecond synchronization for embedded systems. Precise Time and Time Interval Systems and Applications (PTTI), Long Beach, CA, USA, 14–17 November 2011. http://www.clepsydratime.com/file_upl/PDF/Seminaria/Elproma%20CERN%20%28White_Rabbit%29.pdf.
  • [3] Wallin A.E., Fordell T., Myyry J., Koponen P., Merimaa M.: Time Transfer in a Wide Area White Rabbit Network, 28th European Frequency and Time Forum, 23–26 June 2014, Neuchâtel, Switzerland.
  • [4] Lipinski M.: White Rabbit: a PTP application for robust sub-nanosecond synchronization, IEEE ISPCS, 35–30, 2011.
  • [5] Defraigne P., Roosbeek F., Somerhousen A.: Sertting Up a NTP Server at Royall Observatory of Belgium, PTTI 2004.
  • [6] Aerts W., Cerretto G., Cantoni E., Sleewaegen J.-M.: Calibration of Galileo signals for time metrology, IEEE transactions on UFFC, 12/2014 61(12):1967–75.
  • [7] Defraigne P. et al: Advances on the use of Galileo signals in time metrology: calibrated time transfer and estimation of UTC and GGTO using a combined commercial GPS-Galileo receiver, in Proc. of the Precise Time and Time Interval Systems and Applications (PTTI), Bellevue, WA, USA, 3–5 December 2013.
  • [8] Defraigne P., Aerts W., Pottiaux E., Monitoring of UTC(k)’s using PPP and IGS real-time products, accepted in GPS solutions, 19(1), p. 165–172, 2015. doi : 10.1007/s10291-014-0377-5.
  • [9] Waller P., Gonzalez F., Binda S., Sesia I., Hidalgo I., Tobias G., Tavella P.: The In-orbit Performances of GIOVE Clocks, IEEE Transaction on Ultrasonics, Ferroelectrics, and Frequency Control, Volume 57, issue 3, March 2010, pp. 738–745.
  • [10] Galleani L., Tavella P.: Detection and identification of atomic clock anomalies, „Metrologia”, Vol. 45 Issue 6, 2008.
  • [11] Sesia I., Galleani L., Tavella P.: Application of the Dynamic Allan Variance for the Characterization of Space Clock Behavior, IEEE Transactions on Aerospace and Electronic Systems, Volume 47, issue 2, April 2011, pp. 884–895.
  • [12] Network Time Foundation, http://www.networktimefoundation. org.
  • [13] Network Time Protocol (NTP) site: http://www.ntp.org.
  • [14] Precision Time Protocol sites: PTPd, https://github.com/ptpd/ptpd Linux PTP Project, http://linuxptp.sourceforge.net.
  • [15] SyncLab RADclock, http://www.synclab.org/radclock.
  • [16] Tavella P., Sesia I., Cerretto G., Signorile G., Calonico D., Costa R., Clivati C., Cantoni E., De Stefano C., Frittelli M., Formichella V., Abadessa A., Cernigliaro A., Fiasca F., Perucca A., Mantero S., Widomski T., Kaczmarek J., Uzycki J., Borgulski K., Olbrysz P., Kowalski J., Cerabolini P., Rotiroti L., Biserni E., Zarroli E., Leone V., Veiga M.T., Suárez T., Diaz J., Defraigne P., Ozdemir N., Blaire Q., Gandara M., Hamoniaux V., Varriale E., Morante Q., Dhiri V., Giulianini E., Mangiantini M., Wallin A.E., Galleani L., Hindley D.: European Project DEMETRA: Demonstrating Time Dissemination Services, PTTI 2016.
  • [17] Elproma (CLEPSYDRA) Time Server site: http://www.clepsydratime.
  • [18] European Securities and Markets Authority (ESMA), MiFID II regulations, https://www.esma.europa.eu/policy-rules/mifid-ii-and-mifir.
  • [19] Spanner: Googles’s Globally-Distributed Database http://static.googleusercontent.com/media/research.google.com/en//archive/spanner-osdi2012.pdf.
  • [20] Mills D.: Computer Network Time Synchronization: The Network Time Protocol on Earth and in Space, Second Edition, 2nd Edition, (CRC Press).
  • [21] Ferrant J.-L., Gilson M., Jobert S., Mayer M., Montini L., Ouellette M., Rodrigues S., Ruffini S.: Synchronous Ethernet and IEEE 1588 in Telecoms: Next Generation Synchronization Networks, Willey.
  • [22] Rybarczyk P.: Expert Network Time Protocol, APress.
  • [23] Deeths D., Brunette G.: Using NTP to Control and Synchronize System Clocks, SUM Press.
  • [24] Mills D.L.: Public key cryptography for the Network Time Protocol. Electrical Engineering Report 00–5-1, University of Delaware, May 2000.
  • [25] Mills D.L.: Clock discipline algorithms for the Network Time Protocol Version 4. Electrical Engineering Report 97–3-3, University of Delaware, March 1997.
  • [26] Mills D.L., Kamp P.-H.: The nanokernel. Proc. Precision Time and Time Interval (PTTI) Applications and Planning Meeting, Reston, VA, November 2000.
  • [27] Mills D.L., Levine J., Schmidt R., Plonka D.: Coping with overload on the Network Time Protocol public servers. Proc. Precision Time and Time Interval (PTTI) Applications and Planning Meeting, Washington, DC, December 2004.
  • [28] Mills D.L.: Improved algorithms for synchronizing computer network clocks. IEEE/ ACM Trans. on Networks 3, 3 (June 1995), 245–254. D.L. Mills Precision synchronization of computer network clocks. ACM Computer Communication Review 24, 2 (April 1994), IEEE STANDARDS (Power System Applications).
  • [29] IEEE C37.238 (2011) page 18.
  • [30] IEEE C37.118.1 (2011) IEEE C37.118.1a (2014).
  • [31] Tavella P., Sesia I., Cerretto G., Signorile G., Calonico D., Cantoni E., De Stefano C., Formichella V., Costa R., Cernigliaro A., Fiasca F., Perucca A., Samperi A., Defraigne P., Ozdemir N., Gandara M., Puech P.L., Hamoniaux V., Varriale E., Morante Q., Widomski T., Uzycki J., Borgulski K., Olbrysz P., Kowalski J., Cerabolini P., Rotiroti L., Simonetti A., Colombo A., Dhiri V., Giulianini E., Veiga M.T., Suárez T., Mangiantini M., Wallin A.E., Galleani L., Hindley D.: The Horizon 2020 DEMETRA project: DEMonstrator of EGNSS services based on Time Reference Architecture, presented at IEEE International Workshop on Metrology for Aerospace, June 2015, Benevento, Italy and available on IEEExplore.
  • [32] Tavella P. at ALL DEMETRA Consortium formed by Aizoon, ANTARES, CNES, Deimos, ELPROMA, INRIM, Metec, NPL, ORB, Politecnico of Torino, Thales Alenia Space , UFE, Vega UK, and VTT, The European project DEMETRA: demonstrating time dissemination services, presented at ION Precise Time and Time Interval Meeting, Jan 2016.
  • [33] Widomski T., Uzycki J., Borgulski K., Kowalski J., Bender R., Olbrysz P.: Trusted Time Distribution with Auditing and Verification facilities Project TSI#2, submitted to Precise Time And Time Interval Systems And Applications Meeting January 2016, Monterey, California.
  • [34] Tavella P. at ALL DEMETRA Consortium formed by Aizoon, ANTARES, Deimos, ELPROMA, INRIM, Metec, NPL, ORB, Politecnico of Torino, Thales Alenia Space , UFE, Vega UK, and VTT, Experimental Time Dissemination Services Based on European GNSS Signals: the H2020 DEMETRA Project, paper presented at The 30th European Frequency and Time Forum, April 2016.
  • [35] Sesia I., Tavella P., Signorile G., Cernigliaro A., Fiasca F., Defraigne P., Galleani L.: First steps towards a Time Integrity Service for EGNSS systems, in the DEMETRA project, poster presented at the 30th European Frequency and Time Forum, April 2016.
  • [36] Tavella P. at All DEMETRA Consortium formed by Aizoon, ANTARES, Deimos, ELPROMA, INRIM, Metec, NPL, ORB, Politecnico of Torino, Thales Alenia Space , UFE, Vega UK, and VTT, Time Dissemination Services: The Experimental Results of the European H2020 DEMETRA Project, paper presented at the IEEE International Frequency Control Symposium, May 2016, New Orleans (Louisiana).
  • [37] Delporte J., Valat D., Junique T., FX Marmet, Progress on absolute calibrations of GNSS reception chains at CNES, paper presented at the IEEE International Frequency Control Symposium, May 2016, New Orleans (Louisiana).
  • [38] DEMETRA Consortium, The European Project DEMETRA, Timing services based on European GNSS: First experimental results, presented at IEEE International Workshop on Metrology for Aerospace, June 2016, Florence, Italy.
  • [39] DEMETRA Consortium, DEMETRA a time service demonstrator, presentation presented at International Timing & Sync Forum, Prague, 1–3 November 2016.
  • [40] Pascale Defraigne, ORB On behalf of the DEMETRA consortium, Demonstrator of Time Services based on European GNSS Signals: The H2020 DEMETRA Project, paper presented at ION PTTI 2017 Conference, January 31 – February 2, 2017, Monterey, California.
  • [41] Varriale E., Morante Q., Thales Alenia Space Italia S.p.A, Synchronet service demonstration results in demetra h2020 project: a scalable high performances synchronisation solution, paper presented at ION PTTI 2017 Conference, January 31 – February 2, 2017, at the Hyatt Regency Monterey, Monterey, California.
  • [42] Tavella P., Voccaro, Widomski T.: Security Aspects Related To Synchronization At Power Gird, DG-Energy, EC Brussel Security.
  • [43] Widomski T.: Robust Synchronization, Trusted Time Distribution With Audit And Verification Facilities, ESMA MiFID London/UK 28th of Feb 2017.
Uwagi
PL
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-e80c902f-3431-4bf0-999e-8799d67cbcc4
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