# NTP Virtual Interim - 8 June 2022   {#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

Attendees:  
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

Notes:  
Please contribute to the minutes here:

## Admin   {#admin}

No agenda bashing

## Document Status   {#document-status}

#### A YANG Data Model for NTP   {#a-yang-data-model-for-ntp}

https://datatracker.ietf.org/doc/draft-ietf-ntp-yang-data-model/

*   In the RFC Editor queue
*   Thanks to the authors

#### Control Messages Protocol for Use with Network Time Protocol Version 4   {#control-messages-protocol-for-use-with-network-time-protocol-version-4}

https://datatracker.ietf.org/doc/draft-ietf-ntp-mode-6-cmds/

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

#### NTP Interleaved Modes   {#ntp-interleaved-modes}

https://datatracker.ietf.org/doc/draft-ietf-ntp-interleaved-modes/

*   Deferred by AD

#### Enterprise Profile for the Precision Time Protocol With Mixed Multicast and Unicast Messages   {#enterprise-profile-for-the-precision-time-protocol-with-mixed-multicast-and-unicast-messages}

https://datatracker.ietf.org/doc/draft-ietf-tictoc-ptp-enterprise-profile/

*   Ready for IESG

## NTP Registries   {#ntp-registries}

Updating the NTP Registries  
https://datatracker.ietf.org/doc/draft-ietf-ntp-update-registries/

*   In WGLC
*   Close WGLC and move it to IESG

## Roughtime   {#roughtime}

*   Watson: More work in fall. If people implement it, please let me
    know.
*   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.

## Chronos   {#chronos}

Neta presents slides  
https://datatracker.ietf.org/meeting/interim-2022-ntp-02/materials/slides-interim-2022-ntp-02-sessa-a-secure-selection-and-filtering-mechanism-for-the-network-time-protocol-00

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

## NTPv5   {#ntpv5}

### Requirements draft   {#requirements-draft}

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

### NTPv5 specification draft   {#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   {#ntp-over-ptp}

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

## NTS for PTP   {#nts-for-ptp}

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

## AOB   {#aob}

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