Dear Med,

Many thanks for the review and my apology that we missed your input on section 
5.9

I updated the document on section 5.9 and 6.3 as per input. Please review and 
comment before we submit.

https://author-tools.ietf.org/iddiff?url1=https://www.ietf.org/archive/id/draft-ietf-opsawg-ipfix-srv6-srh-05.txt&url2=https://raw.githubusercontent.com/graf3net/draft-ietf-opsawg-ipfix-srv6-srh/main/draft-ietf-opsawg-ipfix-srv6-srh-06.txt

We agree that RFC 8200 doesn't explicitly describe the use of multiple SRH and 
therefore the wording in section 6.3 is misleading as you pointed out. 
Therefore we removed the RFC 8200 reference and used your wording proposal.

In section 6.3 we want to ensure that there is no ambiguity how IPFIX needs to 
be implemented in case more than one SRH is present. Section 8 of RFC 7011 
describes only the case when both SRH can be exported. Since section 6 is 
devoted to operational considerations, the authors believe it make sense to 
spend a paragraph in describing both cases, when both SRH can be export versus 
when only the SRH of the active segment can be exported in IPFIX to have a 
complete description. Does that make sense?

Best wishes
Thomas

-----Original Message-----
From: mohamed.boucad...@orange.com <mohamed.boucad...@orange.com> 
Sent: Friday, December 16, 2022 9:24 AM
To: opsawg@ietf.org; Graf Thomas, INI-NET-TCZ-ZH1 <thomas.g...@swisscom.com>
Subject: RE: [OPSAWG] I-D Action: draft-ietf-opsawg-ipfix-srv6-srh-05.txt

Hi Thomas, all,

Thanks for preparing this version. However, I think that not all the issues 
were fixed: 

* Section "5.9.  srhActiveSegmentIPv6Type": please add the pointer to the IANA 
registry under "Additional Information". Please see the proposal from Benoît 
at: 
https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmailarchive.ietf.org%2Farch%2Fmsg%2Fopsawg%2FZZ5anFVYpabnmm12sfkmGB6nHYI%2F&data=05%7C01%7CThomas.Graf%40swisscom.com%7Cf3bfd5fa3dea48ca6a0d08dadf3ef5aa%7C364e5b87c1c7420d9beec35d19b557a1%7C0%7C0%7C638067758737320741%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=1X%2BI2yBo6C5NApGb053NIyCj2LYIdWlZWaxjbj0kr5A%3D&reserved=0

* The text about multiple SRH is somehow "misleading" as it can be interpreted  
as 8200 discusses explicitly multiple SRHs case. Also, and unless I' mistaken, 
there is no spring document that motivates the need for multiple SRHs or how 
these can be used. I suggest to simplify the wording of 6.3 to basically say: 
if multiple SRHs are observed (for reasons that are not detailed here), 
exporting multiple IEs is allowed + follow the base reco in 7011 for the 
ordering. No normative language is needed for this behavior. 

* Please define what is meant by "active SRH". 

Thank you. 

Cheers,
Med

> -----Message d'origine-----
> De : OPSAWG <opsawg-boun...@ietf.org> De la part de internet- 
> dra...@ietf.org Envoyé : vendredi 16 décembre 2022 08:50 À : 
> i-d-annou...@ietf.org Cc : opsawg@ietf.org Objet : [OPSAWG] I-D 
> Action: draft-ietf-opsawg-ipfix-srv6-srh- 05.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the Operations and Management Area
> Working Group WG of the IETF.
> 
>         Title           : Export of Segment Routing over IPv6
> Information in IP Flow Information Export (IPFIX)
>         Authors         : Thomas Graf
>                           Benoit Claise
>                           Pierre Francois
>   Filename        : draft-ietf-opsawg-ipfix-srv6-srh-05.txt
>   Pages           : 28
>   Date            : 2022-12-15
> 
> Abstract:
>    This document introduces new IP Flow Information Export (IPFIX)
>    Information Elements to identify a set of Segment Routing over
> IPv6
>    (SRv6) related information such as data contained in a Segment
>    Routing Header (SRH), the SRv6 control plane, and the SRv6
> endpoint
>    behavior that traffic is being forwarded with.
> 
> 
> The IETF datatracker status page for this draft is:
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-ietf-opsawg-ipfix-srv6-srh%2F&data=05%7C01%7CThomas.Graf%40swisscom.com%7Cf3bfd5fa3dea48ca6a0d08dadf3ef5aa%7C364e5b87c1c7420d9beec35d19b557a1%7C0%7C0%7C638067758737320741%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=yHPX83xmakzfCRJZMxdJ5oq9T3xHbvCN9C2HHMGYaDg%3D&reserved=0
> 
> There is also an htmlized version available at:
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Fdraft-ietf-opsawg-ipfix-&data=05%7C01%7CThomas.Graf%40swisscom.com%7Cf3bfd5fa3dea48ca6a0d08dadf3ef5aa%7C364e5b87c1c7420d9beec35d19b557a1%7C0%7C0%7C638067758737320741%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xZjDt94k7d99AQtEzMjXpO7Im2XD8Cqhn3cqvMTpO24%3D&reserved=0
> srv6-srh-05
> 
> A diff from the previous version is available at:
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fauthor-tools.ietf.org%2Fiddiff%3Furl2%3Ddraft-ietf-opsawg-ipfix-&data=05%7C01%7CThomas.Graf%40swisscom.com%7Cf3bfd5fa3dea48ca6a0d08dadf3ef5aa%7C364e5b87c1c7420d9beec35d19b557a1%7C0%7C0%7C638067758737320741%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=mJK3LG78Cv9ZrnCKjUVSRoVIG9cobzA39Rw3S9xMFRk%3D&reserved=0
> srv6-srh-05
> 
> 
> Internet-Drafts are also available by rsync at
> rsync.ietf.org::internet-drafts
> 
> 
> _______________________________________________
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> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fopsawg&data=05%7C01%7CThomas.Graf%40swisscom.com%7Cf3bfd5fa3dea48ca6a0d08dadf3ef5aa%7C364e5b87c1c7420d9beec35d19b557a1%7C0%7C0%7C638067758737320741%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=CZyegNLrHoOuaEI8F%2FacJvryhilFtr80r8j0is6Iors%3D&reserved=0

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