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Re: [Lsr] Robert Wilton's No Objection on draft-ietf-isis-te-app-14: (with COMMENT)

"Les Ginsberg (ginsberg)" <ginsberg@cisco.com> Wed, 10 June 2020 15:56 UTC

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From: "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>
To: "Rob Wilton (rwilton)" <rwilton@cisco.com>, The IESG <iesg@ietf.org>
CC: "draft-ietf-isis-te-app@ietf.org" <draft-ietf-isis-te-app@ietf.org>, "lsr-chairs@ietf.org" <lsr-chairs@ietf.org>, "lsr@ietf.org" <lsr@ietf.org>, "Acee Lindem (acee)" <acee@cisco.com>, "aretana.ietf@gmail.com" <aretana.ietf@gmail.com>
Thread-Topic: Robert Wilton's No Objection on draft-ietf-isis-te-app-14: (with COMMENT)
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Date: Wed, 10 Jun 2020 15:56:37 +0000
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Subject: Re: [Lsr] Robert Wilton's No Objection on draft-ietf-isis-te-app-14: (with COMMENT)
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Rob -

Thanx for your review.
Inline.

> -----Original Message-----
> From: Robert Wilton via Datatracker <noreply@ietf.org>
> Sent: Wednesday, June 10, 2020 8:38 AM
> To: The IESG <iesg@ietf.org>
> Cc: draft-ietf-isis-te-app@ietf.org; lsr-chairs@ietf.org; lsr@ietf.org; Acee
> Lindem (acee) <acee@cisco.com>; aretana.ietf@gmail.com; Acee Lindem
> (acee) <acee@cisco.com>
> Subject: Robert Wilton's No Objection on draft-ietf-isis-te-app-14: (with
> COMMENT)
> 
> Robert Wilton has entered the following ballot position for
> draft-ietf-isis-te-app-14: 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/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-isis-te-app/
> 
> 
> 
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
> 
> I'm not sure whether this should really be a discuss ... I raised a similar
> concern on the OSPF document as part of a discuss, and presume
> consistency is
> helpful.
> 
> 4.1.  Application Identifier Bit Mask
> 
>   UDABM Length: Indicates the length in octets (0-8) of the
>        User Defined Application Identifier Bit Mask. The length SHOULD
>        be the minimum required to send all bits which are set.
> 
>    User Defined Application Identifier Bits have no relationship to
>    Standard Application Identifier Bits and are not managed by IANA or
>    any other standards body.  It is recommended that bits are used
>    starting with Bit 0 so as to minimize the number of octets required
>    to advertise all UDAs.
> 
> In section 4.1, I think that the document should also add the sentence (taken
> from the previous paragraph) "Bits that are not transmitted MUST be treated
> as
> if they are set to 0 on receipt."  Note, that I also think that this behaviour
> is implicitly required from the description of UDABM Length.
> 
[Les:] I agree - but I think I will move/rewrite the sentence so that one instance indicates this applies to both SABM/UDABM.

   Les

> Regards,
> Rob
> 
>

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