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Minutes interim-2022-ntp-02: Wed 11:00

Meeting Minutes Network Time Protocols (ntp) WG
Date and time 2022-06-08 15:00
Title Minutes interim-2022-ntp-02: Wed 11:00
State Active
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Last updated 2022-06-12


NTP Virtual Interim - 8 June 2022

Draft Agenda

  1. Administrative and Agenda Bashing
  2. NTP/TICTOC WG Document Status Review/Update
  3. Roughtime
  4. Chronos
  5. NTPv5
  6. AOB

Please add your name here:

  • Karen O'Donoghue
  • Watson Ladd
  • Dieter Sibold
  • Rich Salz (first 30 minutes only)
  • Christer Weinigel
  • Marcus Dansarie
  • Denis Reilly
  • Neta Rozen-Schiff
  • Miroslav Lichvar
  • Erik Kline
  • David Venhoek
  • Clay Kaiser
  • Hiroyuki
  • Carsten Bormann
  • Ira McDonald
  • David Millman
  • Kristof Teichel
  • Tal Mizrahi

Please contribute to the minutes here:


No agenda bashing

Document Status

A YANG Data Model for NTP

  • In the RFC Editor queue
  • Thanks to the authors

Control Messages Protocol for Use with Network Time Protocol Version 4

  • Waiting on AD
  • Brian proposed changes to address all comments

NTP Interleaved Modes

  • Deferred by AD

Enterprise Profile for the Precision Time Protocol With Mixed Multicast and Unicast Messages

  • Ready for IESG

NTP Registries

Updating the NTP Registries

  • In WGLC
  • Close WGLC and move it to IESG


  • Watson: More work in fall. If people implement it, please let me
  • Karen: Does it make sense to have it in a hackathon?
  • Marcus: having the goal to have existing implementation
    interoperable would be goal for a hackathon
  • Christer: agree
  • Karen: will put the necessary information in the hackathon wiki
  • Ira: Roughtime is urgently needed in automotive industry
  • Marcus: would be welcome any comments from this industry
  • Ira: Roughtime is a very good fit for the auto industry.
  • Teichel: Why roughtime is more desirable than NTS?
  • Christer: I'm interested in creating a library for roughtime for
    small systems
  • Christer: Netnod is currently working on a project looking at the
    problem of bootstrapping time on IoT devices with Roughtime.


Neta presents slides

  • Karen: Next step: WGLC
  • Watson: I will send some comments. These may be treated during WGLC.


Requirements draft

  • James couldn't participate
  • No objections to adopt this a working group document

NTPv5 specification draft

  • Miroslav: no changes since the last interim
  • Miroslav: should be considered for adoption after adoption of the
    requirements draft

NTP over PTP

  • Miroslav: No changes. Considered to be ready for adoption


  • Kristof: there are no substantial updates to the draft.


  • Next interim in about four weeks
  • We will plan a physical meeting during IETF 114