Re: [CCAMP] Comments on draft-ietf-ccamp-rsvp-te-srlg-collect-07

Lou Berger <> Thu, 23 October 2014 16:42 UTC

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Date: Thu, 23 Oct 2014 12:42:49 -0400
From: Lou Berger <>
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Cc: CCAMP <>
Subject: Re: [CCAMP] Comments on draft-ietf-ccamp-rsvp-te-srlg-collect-07
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    Much thanks.  I expect that your next version (which addresses these
and any other comments, perhaps even before HI) will be ready for LC. It
probably would be good to review the changes with the WG in HI,
particularly the completely new section 1.1. to ensure consensus  --
perhaps even just 1 or 2 slides.


On 10/23/2014 12:19 PM, OSCAR GONZALEZ DE DIOS wrote:
> Dear Lou,
>         Thank you very much for the comments.
>         We had some changes in draft-ietf-ccamp-rsvp-te-srlg-collect-07 ready
> since a couple of weeks ago that we did not find time to put together and
> complete. We have just sent this version. Some of your comments seems are
> already taken into account in this version. Summarizing:
>         - Avoiding RFC 2119 language in lower case: done! In fact, it has been
> reviewed that all RFC 2119 keywords are used as they are supposed to.
>         - Section is missing handling of RRO too big: To be added in next version
>         - Text for multiple IDs: A sentence indicating multiple SRLG Ids can be
> present added. Still need to add a text explaining  the conditions to
> include multiple Ids. However, I think the conditions fit better in the
> procedure section.
>         - Reference for CPS: Done! Added a whole paragraph explaining the
> collection with CPS, and reference added.
>         - Removing policy processing in the resv. To be added in the next version.
>         I hope we can be soon in Last Call..
>         Óscar
> El 23/10/14 00:07, "Lou Berger" <> escribió:
>> Authors,
>>       I think we still have some unresolved comments from May:
>>>> - you use "should not" in lower case in a few spots in this section.
>>>>  While I think your usage *is* correct, my experience is that someone
>>>>  (probably in the IESG) will tell you that these need to be in upper
>>>>  case at some point.  Of course, they'll be wrong, and this will have
>>>>  to be explained.  I suggest avoiding 2119 language in lower case where
>>>>  easily avoided.  How about s/should not be/is not to be
>> The above comment also applies to "must".
>> Your current of 2119 language is a bit inconsistent. I think you should
>> review current uses of 2119 language and ensure that such usage is
>> limited to (protocol) mechanisms, behavior and interoperability.  If
>> doesn't the language is most likely informative in nature and should
>> avoid 2119 conformance language.
>>>> - The section is missing handling of RRO to big. Perhaps add it at
>>>> ~line
>>>>  330.
>> A few of new comments:
>> - The current text of section 4.1 could be read as only one ID may be
>> present in the SO.  you should explain under what conditions multiple
>> IDs are to be added.
>> -  Please provide a reference for "Confidential Path message. Segment
>> (CPS)"
>> - (should have caught this one before, i.e., is in old text) In Section
>> 5.1 it looks like you are applying policy on both Path and Resv
>> processing ("When a node receives a Resv message ... if local policy
>> determines ...). Given the "SRLG Recording Rejected" PathErr required
>> earlier in the section, is this really needed?  Are you assuming
>> separate upstream/downstream policies?  (Which would seem to be
>> overkill.) Covering a policy change race condition, something else? I
>> suspect the policy processing text on resv isn't needed.
>> Thanks,
>> Lou
>> _______________________________________________
>> CCAMP mailing list
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