Thank you very much for those changes.  They read better and clearer.  I
appreciate the work that took.

Deb Cooley

On Wed, May 15, 2024 at 5:00 PM Doug Arnold <[email protected]>
wrote:

> Hello Deb,
>
> Thanks for pointing out the unaddressed comments by Tero Kivinen.
>
> I agree that section 12 and section 18 have to be consistent, and that the
> use of SHOULD NOT is best.
>
> In section 12, Change:
>
> “PTP management messages MAY be used.”
>
> To:
>
> “PTP management messages SHOULD NOT be used.”
>
>
> Regarding the preference MUST over MUST NOT: I believe it can be clear
> either way, but I don't mind changing:  Below are the proposed changes to
> address this.
>
>
> In section 7, change:
>
> “The Announce message rate MUST NOT be changed from the default value.”
>
> To:
>
> “The Announce message rate MUST be the default value.”
>
>
>
> In section 8 change:
>
> “A PTP Port of a clock MUST NOT be in the timeTransmitter state unless the
> clock has a current value for the number of UTC leap seconds.”
>
> To:
>
> “A PTP Port of a clock MUST have a current value for the number of UTC
> leap seconds before transitioning to the timeTransmitter state.”
>
>
>
> In section 9, change:
>
> “If a timeTransmitter is not an Acceptable timeTransmitter, then the
> timeReceiver MUST NOT synchronize to it.”
>
> To:
>
> “A timeReceiver MUST only synchronize to an Acceptable timeTransmitter.”
>
>
>
> In section 10, change:
>
> “Transparent Clocks MUST NOT change the transmission mode of an Enterprise
> Profile PTP message. For example, a Transparent Clock MUST NOT change a
> unicast message to a multicast message.”
>
> To:
>
> “Transparent Clocks MUST maintain the transmission mode of an Enterprise
> Profile PTP message. For example, a Transparent Clock that receives a
> unicast message MUST retransmit the message as unicast.”
>
>
>
> In section 11, change:
>
> “Boundary Clocks MUST NOT combine timing information from different
> domains.”
>
> To:
>
> “Boundary Clocks MUST process information from different domains
> independently.”
>
>
>
> The entire section 13,
>
> “Clocks operating in the Enterprise Profile MUST NOT use Peer-to-Peer
> timing for delay measurement. Grandmaster Clusters are NOT ALLOWED. The
> Alternate TimeTransmitter option is also NOT ALLOWED. Clocks operating in
> the Enterprise Profile MUST NOT use Alternate Timescales. Unicast discovery
> and unicast negotiation MUST NOT be used. Clocks operating in the
> Enterprise Profile MUST NOT use any optional feature that requires Announce
> messages to be altered by Transparent Clocks, as this would require the
> Transparent Clock to change the source address and prevent the timeReceiver
> nodes from discovering the protocol address of the timeTransmitter.”
>
>
>
> Is changes to:
>
> “The following PTP options are NOT ALLOWED:
>
>    - Peer-to-Peer timing for delay measurement
>    - Grandmaster Clusters
>    - Alternate TimeTransmitters
>    - Alternate Timescales
>    - Unicast discovery
>    - Unicast negotiation
>    - Any optional feature that requires Announce messages to be altered
>    by Transparent Clocks, as this would require the Transparent Clock to
>    change the source address and prevent the timeReceiver nodes from 
> discovering
>    the protocol address of the timeTransmitter.”
>
>
>
> In section 14, Change:
>
> “These rules MUST NOT be changed to achieve interoperability with other
> PTP Profiles.”
>
> To:
>
> “Clocks operating in the Enterprise Profile MUST conform to the
> requirements of the profile even if it prevents interoperability with other
> PTP Profiles.”
>
>
> Regards,
>
> Doug
>
>
>
>
>
>
>
>
> ------------------------------
> *From:* TICTOC <[email protected]> on behalf of Deb Cooley via
> Datatracker <[email protected]>
> *Sent:* Sunday, May 5, 2024 3:21 PM
> *To:* The IESG <[email protected]>
> *Cc:* [email protected] <[email protected]>; [email protected] <
> [email protected]>; [email protected] <
> [email protected]>
> *Subject:* [TICTOC] Deb Cooley's No Objection on
> draft-ietf-tictoc-ptp-enterprise-profile-26: (with COMMENT)
>
> Deb Cooley has entered the following ballot position for
> draft-ietf-tictoc-ptp-enterprise-profile-26: No Objection
>
> When responding, please keep the subject line intact and reply to all
> email addresses included in the To and CC lines. (Feel free to cut this
> introductory paragraph, however.)
>
>
> Please refer to
> https://www.ietf.org/about/groups/iesg/statements/handling-ballot-positions/
> for more information about how to handle DISCUSS and COMMENT positions.
>
>
> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-tictoc-ptp-enterprise-profile/
>
>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
>
> Thank you to Tero Kivinen for his careful review of draft 24.  While some
> of
> his of his points were addressed, there are still some that remain in
> draft 26.
>  I will only highlight a few of these:
>   - The use of MUST NOT in cases where a positive requirement could be
> used,
>   where a direct requirement of MUST can be used.  Often MUST is clearer to
>   understand. - For PTP Management messages, the discrepency of 'MAY' in
>   Section 12 and SHOULD NOT in Section 18 need to be reconciled.  (My
>   recommendation would be to change Section 12 to 'SHOULD NOT')
>
>
>
> _______________________________________________
> TICTOC mailing list
> [email protected]
> https://www.ietf.org/mailman/listinfo/tictoc
>
_______________________________________________
TICTOC mailing list -- [email protected]
To unsubscribe send an email to [email protected]

Reply via email to