Time Synchronizing Using IEEE 1588 + Synchronous Ethernet in a “Time-Setting” Mode of Operation

P. Stephan Bedrosian

Abstract:	The IEEE 1588 precision time protocol (PTP) time-setting mode of operation can be used to dramatically improve the quality of time-based systems that rely on a physical layer syntonization source in addition to PTP. Based on the standardized PTP protocol and common network frequency distribution techniques, the PTP time-setting mode of operation is capable of distributing time over packet-based facilities with little or no impact by network packet delay variation (PDV). In essence, the timing performance at a slave clock is directly related to the traceability, accuracy, and stability of physical layer packet-based systems (e.g., Synchronous Ethernet) or existing syntonization-based networks (e.g., SONET/SDH, DS1, or E1).
Published in:	Proceedings of the 42nd Annual Precise Time and Time Interval Systems and Applications Meeting November 15 - 18, 2010 Hyatt Regency Reston Town Center Reston, Virginia
Pages:	127 - 140
Cite this article:	Bedrosian, P. Stephan, "Time Synchronizing Using IEEE 1588 + Synchronous Ethernet in a “Time-Setting” Mode of Operation," Proceedings of the 42nd Annual Precise Time and Time Interval Systems and Applications Meeting, Reston, Virginia, November 2010, pp. 127-140.
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