Re: [DMM] Call for adoption of draft-clt-dmm-tn-aware-mobility-08 as a WG document

Hi Kiran,

Thanks for your support and  your inputs as a co-authoring member of TEAS
ongoing  work.

See in-line [Uma]:

--
Uma C.

On Mon, Jan 4, 2021 at 5:39 PM Kiran Makhijani <kiranm@futurewei.com> wrote:

> Hi Joel,
> The IETF network slices work under teas focuses on control and managing
> slices 'with in' the IP/MPLS networks. Actually, in TEAS 3GPP is just one
> of the use cases not the only use case. Also, TEAS wanted to replace
> "transport" because it could mean different things.
>
> But this document only focuses on 3GPP mobility scenarios and heavily
> relies on terms and components used in 5G architecture - here 'transport
> network' is a standard term. The work presented here is new and covers
> mobility procedures and corresponding mappings between AN and UPFs.
>
> I have read this document and I agree the relationship between the 2
> activities should be discussed (once TEAS adopts slice
> terminology/framework), maybe in section 2.7. But I feel this is not a
> major change to the way procedures are described in the document.
>

Thanks for your observation. The content in the sections was not changed
much from early stages of the draft (may by in early 2019). I
definitely look forward to your specific input to further update.

>
> I support this work.
> FWIW, I think a bit restructuring of the document will improve its
> readability. For example, section 2 should be split into 'xhaul background'
> and 'TN mobility procedure' - things related to mapping and management of
> TN context and its mobility.
>

[Uma]: Noted and keep this in our TBD item(s) for future updates. Shall
respond to Joel's email in a bit.

>
> -Kiran
>
> > -----Original Message-----
> > From: dmm <dmm-bounces@ietf.org> On Behalf Of Joel M. Halpern
> > Sent: Monday, January 4, 2021 4:23 PM
> > To: dmm@ietf.org
> > Subject: Re: [DMM] Call for adoption of
> draft-clt-dmm-tn-aware-mobility-08 as
> > a WG document
> >
> > Hmmm.
> >
> > It seems to me that this document ought to align with the ongoing work
> in the
> > TEAS working group that is attempting to define terminology and framework
> > (and then any necessary protocol mechanisms) for IETF network slices.
> That
> > work is explicitly intended to support 3GPP end-to-end network slices.
> >
> > First, the discussion there exlicitly conluded that the term "Transport"
> > was confusing and misleading.  Which is why the work is now called IETF
> > network slicing.
> >
> > Second, it seems that we want one IETF framework for this, not two
> competing
> > frameworks.  Why is DMM doing this separately.  It seems to fall
> squarely into
> > CCAMP and TEAS.  I presume we want a solution that works for 3GPP and
> > works for other use cases?
> >
> > Yours,
> > Joel M. Halpern
> >
> > On 1/4/2021 7:11 PM, Linda Dunbar wrote:
> > > Support WG adoption.
> > >
> > > Linda Dunbar
> > >
> > > -------------------
> > > From: *Sri Gundavelli (sgundave)* <sgundave=40cisco.com@dmarc.ietf.org
> > > <mailto:40cisco.com@dmarc.ietf.org>>
> > > Date: Wed, Dec 30, 2020 at 10:45 AM
> > > Subject: [DMM] Call for adoption of draft-clt-dmm-tn-aware-mobility-08
> > > as a WG document
> > > To: dmm <dmm@ietf.org <mailto:dmm@ietf.org>>
> > >
> > > Folks:
> > >
> > > The authors of the document, Transport Network aware Mobility for 5G,
> > > have presented the proposal and the need for standardization in
> > > multiple IETF WG meetings. There have been good amount of discussions
> > > in the mailers and there is some level of interest for the work from
> > > the community. We are therefore considering the adoption of this
> > > document as a DMM WG document, to be moved on Informational Standards
> > track.
> > >
> > > *Transport Network aware Mobility for 5G*
> > >
> > > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftool
> > > s.ietf.org%2Fhtml%2Fdraft-clt-dmm-tn-aware-mobility-
> > 08&amp;data=04%7C0
> > >
> > 1%7Ckiranm%40futurewei.com%7C93dbff7d775842c2409108d8b1101f02%7C
> > 0fee8f
> > >
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> > FpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVC
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> > >
> > Mn0%3D%7C3000&amp;sdata=34KQ%2Fo0EvC8uta4EF1pa3i1N5etAd6RKUcU
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> > > I%3D&amp;reserved=0
> > > <https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftoo
> > > ls.ietf.org%2Fhtml%2Fdraft-clt-dmm-tn-aware-mobility-
> > 08&amp;data=04%7C
> > >
> > 01%7Ckiranm%40futurewei.com%7C93dbff7d775842c2409108d8b1101f02%7
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> > >
> > 6Mn0%3D%7C3000&amp;sdata=YR1gDCJtkfwjBxxsBtSYbbbQZpUlDzp3IXraMq
> > BXA0w%3
> > > D&amp;reserved=0>
> > >
> > > With this background, we would like to ask the WG to provide some
> > > feedback on their interest for this work. Please provide substantial
> > > comments as why this SHOULD be adopted, or why it SHOULD NOT be
> > adopted.
> > > If there is interest, and if there are no other concerns from
> > > AD/IESG/Others, then we may take up this work.
> > >
> > > The adoption call will end on 18th of January, 2021.
> > >
> > > Regards
> > >
> > > DMM WG Chairs
> > >
> > > _______________________________________________
> > > dmm mailing list
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> > ietf.org%2Fmailman%2Flistinfo%2Fdmm&amp;data=04%7C01%7Ckiranm%40f
> > uture
> > >
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