IEEE P802.3cx/D3.3, December 2022
IEEE Approved Draft Standard for Ethernet Amendment 6: Media Access Control (MAC) Service Interface and Management Parameters to Support Improved Precision Time Protocol (PTP) Timestamping Accuracy

Standard No.

IEEE P802.3cx/D3.3, December 2022

Release Date

2023

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Scope

This amendment to IEEE Std 802.3-2022 modifies Clause 30, Clause 45, and Clause 90, and adds Annex 90A to enhance support for time synchronization protocols by providing options for sub-nanosecond reporting of the transmit and receive path data delays, selection of the data delay measurement point, and dynamic reporting of path data delay variation.