ITU-T G.8265.1 (PTP Profile) One-Page Summary

Title: PTP telecom profile for frequency synchronization

On this page:

Summary

  • Defines the profile (options, parameters, extensions) for the use of PTP for packet-based frequency delivery

  • Main use-case is frequency synchronization of cellular basestations

Status

Key Contents

Profile Features:

  • Unicast Messaging - easier to support and manage in telecoms networks
  • Message rates up to 128 messages per second (typical rates 16 to 32)
  • Operates over IPv4/UDP for universal applicability (IPv6 also permitted)
  • Operates over existing telecoms networks, with no PTP “on-path” support required
  • Planned protection schemes in accordance with existing telecom practice
  • Based on G.781 Quality Levels for compatibility with current sync networks

Logical Model: