Re: [manet] Alissa Cooper's Discuss on draft-ietf-manet-dlep-pause-extension-06: (with DISCUSS and COMMENT)

Lou Berger <lberger@labn.net> Thu, 11 April 2019 12:06 UTC

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To: Alissa Cooper <alissa@cooperw.in>, The IESG <iesg@ietf.org>
Cc: draft-ietf-manet-dlep-pause-extension@ietf.org, Stan Ratliff <sratliff@idirect.net>, aretana.ietf@gmail.com, manet-chairs@ietf.org, manet@ietf.org
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From: Lou Berger <lberger@labn.net>
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Subject: Re: [manet] Alissa Cooper's Discuss on draft-ietf-manet-dlep-pause-extension-06: (with DISCUSS and COMMENT)
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On 4/10/2019 3:39 PM, Alissa Cooper via Datatracker wrote:
> Alissa Cooper has entered the following ballot position for
> draft-ietf-manet-dlep-pause-extension-06: Discuss
>
> 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/iesg/statement/discuss-criteria.html
> for more information about IESG DISCUSS and COMMENT positions.
>
>
> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-manet-dlep-pause-extension/
>
>
>
> ----------------------------------------------------------------------
> DISCUSS:
> ----------------------------------------------------------------------
>
> This work item does not appear to be inside the scope of the MANET charter, at
> least based on my reading of the charter. Am I missing something?

I presume this is for the AD (or chairs) to respond to.

> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> I support the DISCUSS positions of Warren and Magnus.
>
> I'm unclear on why this specification is necessary, i.e. why the use of
> existing transport protocols and processing of DSCPs do not suffice to achieve
> what this specification is aiming to achieve. Is that explained in another
> document somewhere?

DLEP flow control is an alternative to existing flow control mechanisms 
such as exists for PPPOE and ethernet (PAUSE and PFC). It has the 
advantage of being able to pause traffic on a per destination and/or 
DSCP basis.

I'll add the above to the document intro.

> = Section 1 =
>
> "Various flow control methods are possible, e.g.,
>     see [I-D.ietf-manet-dlep-da-credit-extension]."
>
> The referenced document does not specify a flow control method. Maybe
> draft-ietf-manet-dlep-credit-flow-control is what was intended?

Added as a second reference.

Thanks,

Lou

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>
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