e as node clocks in synchronization networks." ITU-T Recommendation, 2004. http://handle.itu.int/11.1002/1000/7335 "G.813: Timing characteristics of SDH equipment slave clocks (SEC)." ITU-T Recommendation, 2003. http://handle.itu.int/11.1002/1000/6268 "G.8261: Timing and synchronization aspects in packet networks." ITU-T Recommendation, Amendment 1, 2020. http://handle.itu.int/11.1002/1000/14207 "G.8262: Timing characteristics of a synchronous equipment slave clock." ITU-T Recommendation, Amendment 1, 2020. http://handle.itu.int/11.1002/1000/14208 "G.8262.1: Timing characteristics of an enhanced synchronous equipment slave clock." ITU-T Recommend- ation, Amendment 1, 2019. http://handle.itu.int/11.1002/1000/14011 Chapter 6 Alliance for Telecommunications Industry Solutions (ATIS). "Synchronization Interface Standard." ATIS- 0900101:2013(R2018), Supersedes ANSI T1.101, 2013. https://www.techstreet.com/atis/standards/atis- 0900101-2013-r2018?product_id=1873262 American National Standards Institute (ANSI). "Synchronization Interface Standards for Digital Networks." ANSI T1.101-1999, Superseded by ATIS-0900101.2013(R2018). https://www.techstreet.com/atis/standards/atis- 900101-2013-r2018?product_id=1873262 IEEE Standards Association. "IEEE Standard for Ethernet." IEEE Std. 802.3:2018, 2018. https://standards.ieee.org/standard/802_3-2018.html Internet Engineering Task Force (IETF) Bryant, S. and P. Pate. "Pseudo Wire Emulation Edge-to-Edge (PWE3) Architecture." IETF, RFC 3985, 2005. https://tools.ietf.org/html/rfc3985 Malis, A., P. Pate, R. Cohen, and D. Zelig. "Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)." IETF, RFC 4842, https://tools.ietf.org/html/rfc4842 Stein, Y., R. Shashoua, R. Insler, and M. Anavi. "Time Division Multiplexing over IP (TDMoIP)." IETF, RFC 5087, 2007. https://tools.ietf.org/html/rfc5087 Vainshtein, A. and Y. Stein. "Structure-Agnostic Time Division Multiplexing (TDM) over Packet (SAToP)." IETF, RFC 4553, 2006. https://tools.ietf.org/h