Re: [Idr] New Version Notification for draft-qin-idr-sr-policy-ifit-03.txt

"Dongjie (Jimmy)" <jie.dong@huawei.com> Wed, 30 September 2020 08:07 UTC

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From: "Dongjie (Jimmy)" <jie.dong@huawei.com>
To: Giuseppe Fioccola <giuseppe.fioccola@huawei.com>, "idr@ietf.org" <idr@ietf.org>
CC: "draft-qin-idr-sr-policy-ifit@ietf.org" <draft-qin-idr-sr-policy-ifit@ietf.org>
Thread-Topic: New Version Notification for draft-qin-idr-sr-policy-ifit-03.txt
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Date: Wed, 30 Sep 2020 08:07:21 +0000
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Subject: Re: [Idr] New Version Notification for draft-qin-idr-sr-policy-ifit-03.txt
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Hi Giuseppe,

Thanks for your reply. 

The changes in plan looks good to me. Look forward to a updated version.

Best regards,
Jie

> -----Original Message-----
> From: Giuseppe Fioccola
> Sent: Monday, September 28, 2020 6:38 PM
> To: Dongjie (Jimmy) <jie.dong@huawei.com>om>; idr@ietf.org
> Cc: draft-qin-idr-sr-policy-ifit@ietf.org
> Subject: RE: New Version Notification for draft-qin-idr-sr-policy-ifit-03.txt
> 
> Hi Jie,
> Thanks a lot for your review.
> Please find my answers inline tagged as [GF].
> 
> Regards,
> 
> Giuseppe
> 
> -----Original Message-----
> From: Dongjie (Jimmy)
> Sent: Sunday, September 27, 2020 12:53 PM
> To: Giuseppe Fioccola <giuseppe.fioccola@huawei.com>om>; idr@ietf.org
> Cc: draft-qin-idr-sr-policy-ifit@ietf.org
> Subject: RE: New Version Notification for draft-qin-idr-sr-policy-ifit-03.txt
> 
> Hi Giuseppe,
> 
> Thanks for this update, here are some review comments from my side:
> 
> 1. This document defines several sub-TLVs under BGP Tunnel Encapsulation
> Attribute for different IFIT related functions. Perhaps it would be better to
> define just one sub-TLV for IFIT, then define the different IFIT functions with
> sub-sub-TLVs?
> [GF]: Yes, I agree. We can clarify that the 5 sub-TLVs (IOAM and AltMark) are
> carried in the IFIT sub-TLV. The new general IFIT attributes sub-TLV will be
> introduced in the next revision.
> 
> 2. In addition to describing the encoding of the sub-TLVs, it may be helpful to
> also describe the operation of node when receiving an SR policy with these IFIT
> sub-TLVs.
> [GF]: Good suggestion, we can also add a new section about the operations
> with IFIT similarly to the section on SR Policy Operations of
> draft-ietf-idr-segment-routing-te-policy. We will describe how the addition of
> IFITAttributes Sub-TLVs is handled for the SR Policy NLRI.
> 
> Best regards,
> Jie
> 
> > -----Original Message-----
> > From: Idr [mailto:idr-bounces@ietf.org] On Behalf Of Giuseppe Fioccola
> > Sent: Wednesday, September 2, 2020 4:01 PM
> > To: idr@ietf.org
> > Cc: draft-qin-idr-sr-policy-ifit@ietf.org
> > Subject: [Idr] FW: New Version Notification for
> > draft-qin-idr-sr-policy-ifit-03.txt
> >
> > Dear All,
> > We have just uploaded a new version of draft-qin-idr-sr-policy-ifit.
> > This revision addresses the comments received during the IDR session
> > at IETF
> > 108 from Ketan and Joel.
> > In particular we tried to clarify the term IFIT and we also included a
> > new Motivation Section.
> >
> > Feedbacks and suggestions are always welcome.
> >
> > Best Regards,
> >
> > Giuseppe
> >
> > -----Original Message-----
> > From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org]
> > Sent: Wednesday, September 2, 2020 9:47 AM
> > To: Giuseppe Fioccola <giuseppe.fioccola@huawei.com>om>; Fengwei Qin
> > <qinfengwei@chinamobile.com>om>; wangyali <wangyali11@huawei.com>om>;
> Hang
> > Yuan <yuanhang@unionpay.com>om>; Tianran Zhou <zhoutianran@huawei.com>
> > Subject: New Version Notification for
> > draft-qin-idr-sr-policy-ifit-03.txt
> >
> >
> > A new version of I-D, draft-qin-idr-sr-policy-ifit-03.txt
> > has been successfully submitted by Giuseppe Fioccola and posted to the
> > IETF repository.
> >
> > Name:		draft-qin-idr-sr-policy-ifit
> > Revision:	03
> > Title:		BGP SR Policy Extensions to Enable IFIT
> > Document date:	2020-09-02
> > Group:		Individual Submission
> > Pages:		13
> > URL:
> > https://www.ietf.org/internet-drafts/draft-qin-idr-sr-policy-ifit-03.txt
> > Status:         https://datatracker.ietf.org/doc/draft-qin-idr-sr-policy-ifit/
> > Htmlized:       https://tools.ietf.org/html/draft-qin-idr-sr-policy-ifit-03
> > Htmlized:
> > https://datatracker.ietf.org/doc/html/draft-qin-idr-sr-policy-ifit
> > Diff:
> https://www.ietf.org/rfcdiff?url2=draft-qin-idr-sr-policy-ifit-03
> >
> > Abstract:
> >    Segment Routing (SR) policy is a set of candidate SR paths consisting
> >    of one or more segment lists and necessary path attributes.  It
> >    enables instantiation of an ordered list of segments with a specific
> >    intent for traffic steering.  In-situ Flow Information Telemetry
> >    (IFIT) refers to network OAM data plane on-path telemetry techniques,
> >    in particular the most popular are In-situ OAM (IOAM) and Alternate
> >    Marking.  This document defines extensions to BGP to distribute SR
> >    policies carrying IFIT information.  So that IFIT methods can be
> >    enabled automatically when the SR policy is applied.
> >
> >
> >
> >
> >
> > Please note that it may take a couple of minutes from the time of
> > submission until the htmlized version and diff are available at tools.ietf.org.
> >
> > The IETF Secretariat
> >
> >
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