Re: [Pce] Martin Duke's No Objection on charter-ietf-pce-07-03: (with COMMENT)

Dhruv Dhody <> Tue, 28 November 2023 04:18 UTC

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From: Dhruv Dhody <>
Date: Tue, 28 Nov 2023 09:47:28 +0530
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To: Martin Duke <>
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Subject: Re: [Pce] Martin Duke's No Objection on charter-ietf-pce-07-03: (with COMMENT)
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Hi Martin,

On Tue, Nov 28, 2023 at 12:25 AM Martin Duke via Datatracker <> wrote:

> Martin Duke has entered the following ballot position for
> charter-ietf-pce-07-03: 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.)
> The document, along with other ballot positions, can be found here:
> ----------------------------------------------------------------------
> ----------------------------------------------------------------------
> This group appears to have a fair amount of overlap with the soon-to-close
> ALTO, but that certainly does not prevent rechartering.

Dhruv: I would categorize that PCE and ALTO "complement" each other rather
than "overlap".

> Arguably, CATS is also
> related, but that's not my WG so I'm sure the relevant ADs will work that
> out.
Dhruv: There is a possibility in future for it but as of now there is no
work proposed nor it is listed in the CATS charter.

> Is TED synchronization in or out of scope?
Dhruv: Yes if PCEP is being used for such synchronization. One could say
its implicit in stateful PCE, but may be we can make it explicit -

Definition of the PCEP extensions used by a stateful PCE for
> recommending a new path for an existing or new LSP to the PCC/PCE.
> Further protocol extensions must cover the case where the receiving
> PCC/PCE chooses not to follow the recommendation. The PCEP
> extensions for state synchronization are also in scope.