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Title: Timing and synchronization aspects in packet networks

Summary

  • Defines network limits on SyncE and CES for both jitter and wander

  • Describes a modified synchronization chain to accommodate SyncE and packet-based timing

  • Describes general issues with packet-based synchronization

  • Defines test scenarios for packet-based timing systems (Appendix VI tests)

Status

Key Contents

Modified Synchronization Reference Chain:

  • SyncE clocks (EECs) have identical performance to SECs, and can be used interchangeably
  • Packet timing protocols (e.g. NTP or PTP) may replace a segment of the chain (typically the last)


SyncE Network Limits:


Performance Tests For Packet Timing:

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