Synchronous Ethernet and enhanced SyncE.

Physical-layer frequency distribution that stabilises PTP and supports holdover.

Standards

  • ITU-T G.8261
  • ITU-T G.8262 and G.8262.1 (EEC and eEEC)
  • ITU-T G.8264 (ESMC)

Packet timing: PTP, SyncE and NTP