Re: [3gpp-ietf-coord] QCI to Diffserv mapping

Gonzalo Camarillo <gonzalo.camarillo@ericsson.com> Sat, 20 July 2019 19:59 UTC

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From: Gonzalo Camarillo <gonzalo.camarillo@ericsson.com>
To: Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>
CC: Jeff Tantsura <jefftant.ietf@gmail.com>, "lionel.morand@orange.com" <lionel.morand@orange.com>, Magnus Westerlund <magnus.westerlund@ericsson.com>, "vshaikh@perspectalabs.com" <vshaikh@perspectalabs.com>, "md3135@att.com" <md3135@att.com>, "tsvwg-chairs@ietf.org" <tsvwg-chairs@ietf.org>, "3gpp-ietf-coord@ietf.org" <3gpp-ietf-coord@ietf.org>, "sdas@perspectalabs.com" <sdas@perspectalabs.com>
Thread-Topic: [3gpp-ietf-coord] Re : QCI to Diffserv mapping
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Archived-At: <https://mailarchive.ietf.org/arch/msg/3gpp-ietf-coord/yuAqdAYW7ijlO7bNH2KLKUIwFxk>
Subject: Re: [3gpp-ietf-coord] QCI to Diffserv mapping
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In Texas they do not wear shoes; they wear boots. Right, Robert? :-D

Jokes aside, everybody please grab a quick take-away lunch if you wish so that we do not need to delay the start of the meeting too much.

Cheers,

Gonzalo

From: Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>;
Sent: Saturday, July 20, 2019 14:45
To: Gonzalo Camarillo <gonzalo.camarillo@ericsson.com>;
Cc: Jeff Tantsura <jefftant.ietf@gmail.com>;; lionel.morand@orange.com; Magnus Westerlund <magnus.westerlund@ericsson.com>;; vshaikh@perspectalabs.com; md3135@att.com; tsvwg-chairs@ietf.org; 3gpp-ietf-coord@ietf.org; sdas@perspectalabs.com
Subject: Re: [3gpp-ietf-coord] Re : QCI to Diffserv mapping

Hi, Gonzalo,

On Fri, Jul 19, 2019 at 3:07 AM Gonzalo Camarillo <gonzalo.camarillo@ericsson.com<mailto:gonzalo.camarillo@ericsson.com>> wrote:
Last time Spencer had lunch served in the meeting room, but we all knew his were big shoes to fill! ;-) Magnus?

I believe the shoes you are looking for were Robert Sparks' shoes, as an IAB lead for the Liaison Oversight program. The co-leads now are Mark Nottingham and Robin (Zhenbin) Li.

But if Magnus can request lunch, that's excellent!

Spencer


Cheers,

Gonzalo

From: Jeff Tantsura <jefftant.ietf@gmail.com<mailto:jefftant.ietf@gmail.com>>
Sent: Thursday, July 18, 2019 23:12
To: Gonzalo Camarillo <gonzalo.camarillo@ericsson.com<mailto:gonzalo.camarillo@ericsson.com>>; lionel.morand@orange.com<mailto:lionel.morand@orange.com>; Magnus Westerlund <magnus.westerlund@ericsson.com<mailto:magnus.westerlund@ericsson.com>>
Cc: tsvwg-chairs@ietf.org<mailto:tsvwg-chairs@ietf.org>; vshaikh@perspectalabs.com<mailto:vshaikh@perspectalabs.com>; sdas@perspectalabs.com<mailto:sdas@perspectalabs.com>; md3135@att.com<mailto:md3135@att.com>; 3gpp-ietf-coord@ietf.org<mailto:3gpp-ietf-coord@ietf.org>
Subject: Re: [3gpp-ietf-coord] Re : QCI to Diffserv mapping

Magnus,

Do we need to bring our lunches?
Thanks!

Cheers,
Jeff
On Jul 18, 2019, 7:33 AM -0700, Magnus Westerlund <magnus.westerlund@ericsson.com<mailto:magnus.westerlund@ericsson.com>>, wrote:
Hi,

We have been assigned the meeting room Coller on 3rd Floor.

Cheers

Magnus Westerlund

-----Original Message-----
From: Gonzalo Camarillo <gonzalo.camarillo@ericsson.com<mailto:gonzalo.camarillo@ericsson.com>>
Sent: den 18 juli 2019 11:35
To: lionel.morand@orange.com<mailto:lionel.morand@orange.com>; Magnus Westerlund
<magnus.westerlund@ericsson.com<mailto:magnus.westerlund@ericsson.com>>
Cc: DOLLY, MARTIN C <md3135@att.com<mailto:md3135@att.com>>; 3gpp-ietf-coord@ietf.org<mailto:3gpp-ietf-coord@ietf.org>; tsvwg-
chairs@ietf.org<mailto:chairs@ietf.org>; vshaikh@perspectalabs.com<mailto:vshaikh@perspectalabs.com>; sdas@perspectalabs.com<mailto:sdas@perspectalabs.com>
Subject: Re: Re : [3gpp-ietf-coord] QCI to Diffserv mapping

Lionel, Magnus,

I do not think I have seen any follow up on this.

Lionel, please confirm whether you have a draft agenda for the meeting on
Monday (beyond this topic).

Magnus, per my email below, could you please secure a room for us for
Monday lunch?

Cheers,

Gonzalo

On 04-Jul-19 10:14, Gonzalo Camarillo wrote:
Thanks, Lionel!

Magnus, with the information below, do you need anything else at this
point?

Regarding the coordination meeting in Montreal, Magnus can probably
get us a room with a conference bridge (or we can use a laptop, as I
think we did last time). Our traditional slot for that is Monday lunch.

By the way, do you have a draft agenda for the coordination meeting,
in addition to this topic?

Cheers,

Gonzalo

On 04-Jul-19 01:40, lionel.morand@orange.com<mailto:lionel.morand@orange.com> wrote:
Hi Gonzalo, Martin,

We have discussed this point with Georg. According to the purpose of
the draft and early reaction of 3GPP folks, it appears that there is
currently no requirement for such mapping done in IETF.

The QCI/DSCP mapping is only for information, as the final mapping
will be nyvow decided by network operators, based on the QCI values
but also on other criteria defined by the operators.

Moreover, if you look at the 3GPP TS 23.203 specification across
releases, you will see that the new QCI values are continuously
defined by 3GPP depending on new use cases. For instance, there is an
ongoing didcussion to create additional values. So having a document
defining the mapping at the IETF side would seem not relevant as the
RFC, even if informational, could be already obsolete when published.

There might be a need to have an update version of the mapping but,
if deemed required, interested parties should bring such a material
in 3GPP, to allow maintaining up to date the document.

According that there is no specific requirement from 3GPP and an IETF
RFC, even information would be quite useless, 3GPP would be reluctant
to see any recommendation on the QCI/DSCP mapping provided in a IETF
document that would not be under the 3GPP control.

Now, from an IETF point of view, if there is a strong push for such a
document, except the natural push from the authors, it would be up to
IETF to decide what to do in this area. If it is decided to move
forward, it should be made clear in the document that the proposed
mapping is only for information, not a recommendation, given as
example.
It should also be highlighted that the QCI values listed in the
document may not be up to date.

I hope that the feedback is clear.
Anyhow, it will be useful to discuss this point in our coordination
meeting. Unfortunately, I will not be in Montreal but, if we could
set up an audio bridge as last time, it would be great.

Regards,

Lionel


-------- Message original --------
Objet : Re: [3gpp-ietf-coord] QCI to Diffserv mapping De : "DOLLY,
MARTIN C"
À : Gonzalo Camarillo
Cc : MORAND Lionel TGI/OLN ,Magnus Westerlund
,3gpp-ietf-coord@ietf.org<mailto:3gpp-ietf-coord@ietf.org>,tsvwg-chairs@ietf.org<mailto:tsvwg-chairs@ietf.org>,vshaikh@perspectalabs
.com,sdas@perspectalabs.com<mailto:sdas@perspectalabs.com>

Greetings

The NS/EP service in the USA has major issues w this draft that
is against efforts we standardized in 3GPP and ATIS

We commented on the list and communicated w author, little
changes

If this became a 3GPP dependency, we and the others would have
sustained objections

Thanks

Martin C. Dolly

Lead Member of Technical Staff

Government & Services Standards

AT&T

Cell: +1.609.903.3360

Email: md3135@att.com<mailto:md3135@att.com> <mailto:md3135@att.com>


On Jul 3, 2019, at 2:51 PM, Gonzalo Camarillo
<Gonzalo.Camarillo@ericsson.com
<mailto:Gonzalo.Camarillo@ericsson.com<mailto:Gonzalo.Camarillo@ericsson.com%0b%3cmailto:Gonzalo.Camarillo@ericsson.com>>> wrote:

Hi Lionel,

did you reach any conclusion? In particular, I would like to
understand
whether we need to organize the traditional 3GPP-IETF
coordination
meeting on the Monday of the upcoming IETF meeting in
Montreal to
discuss this or other issues.

Thanks,

Gonzalo

On 02-Jul-19 13:11, Gonzalo Camarillo wrote:

Hi Lionel,


yes, exactly; knowing 3GPP's position on this would be
very helpful in

order to decide on next steps. Please, let us know after
you touch base

with Georg later today. Thanks.


Cheers,


Gonzalo


On 02-Jul-19 11:58, lionel.morand@orange.com<mailto:lionel.morand@orange.com>
<mailto:lionel.morand@orange.com> wrote:

Hi Gonzalo,


We will discuss this point with Georg today during
an 3GPP internal coordination meeting.

On the tsvwg mailing list, I think that the
conclusion was to set up a discussion at the next
IETF meeting to see what could be done in this area.

Honestly, I'm not sure that such a work would be
useful if not supported by 3GPP. So if anything is
finally done, it could only be for information.


Coming back to you later.


Regards,


Lionel


-----Message d'origine-----

De : Gonzalo Camarillo
[mailto:Gonzalo.Camarillo@ericsson.com]

Envoyé : vendredi 28 juin 2019 16:09

À : MORAND Lionel TGI/OLN; Magnus Westerlund;
3gpp-ietf-coord@ietf.org<mailto:3gpp-ietf-coord@ietf.org>
<mailto:3gpp-ietf-coord@ietf.org>

Cc : tsvwg-chairs@ietf.org<mailto:tsvwg-chairs@ietf.org>
<mailto:tsvwg-chairs@ietf.org>

Objet : Re: [3gpp-ietf-coord] QCI to Diffserv
mapping


Hi Lionel,


I have not seen any follow up on this issue
during this month (see

below). What is the current status? Thanks.


Cheers,


Gonzalo


On 29-May-19 12:37, lionel.morand@orange.com<mailto:lionel.morand@orange.com>
<mailto:lionel.morand@orange.com> wrote:

Thank you!


I have seen the ongoing discussion on this
topic.

I will send soon an email clarifying the
current 3GPP position on this topic.

It is important that any work on the QCI
mapping is aligned with real 3GPP

requirements.


Regards,


Lionel


-----Message d'origine-----

De : 3gpp-ietf-coord
[mailto:3gpp-ietf-coord-bounces@ietf.org] De
la

part

de Magnus Westerlund

Envoyé : mercredi 29 mai 2019 11:09

À : 3gpp-ietf-coord@ietf.org<mailto:3gpp-ietf-coord@ietf.org>
<mailto:3gpp-ietf-coord@ietf.org>

Cc : tsvwg-chairs@ietf.org<mailto:tsvwg-chairs@ietf.org>
<mailto:tsvwg-chairs@ietf.org>

Objet : [3gpp-ietf-coord] QCI to
Diffserv mapping


Hi,


A topic that may require coordination
between 3GPP and IETF is this

individual proposal



https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf<https://protect2.fireeye.com/url?k=1c04ae4e-408e7bfa-1c04eed5-866a015dd3d5-7a0ab7efac9dcd51&q=1&u=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttps-3A__datatracker.ietf>
.org_doc_draft-2Dhenry-2Dtsvwg-2Ddiffserv-2Dto-
2Dqci_&d=DwIGaQ&c=LFYZ
-o9_HUMeMTSQicvjIg&r=G9v8uCSSQhCmpw7ItG0r2g&m=OV4zFc-
ZgJ46PZ4x9UvfXkT

AVPAgFzc3jf6cvGf6x0g&s=XunaN7YxIvVUKNlYB0LFqWpZkcOVXTV8rK7BUaJl
vyo&e=


It has been presented once in TSVWG
before, when questions where

raised

about the relation to 3GPP. I haven't
seen any good answer to this

question. Also the authors have updated
the draft and that has resulted

in some additional discussion in this
thread:




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2D&d=DwIGaQ&c=LFYZ-o9_H
UMeMTSQicvjIg&r=G9v8uCSSQhCmpw7ItG0r2g&m=OV4zFc-
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Fzc3jf6cvGf6x0g&s=fzf5xDu0zA-11_7wZOZws5A-
XtDJHPg8MX6T3brLff4&e=

A


So far no decision has been made if this
should be adopted or not, but I

would not be surprised if the TSVWG
Chairs and I (as TSV AD) do get the

question about adoption.


Input from a 3GPP perspective would be
appreciated on this document.


Cheers


Magnus Westerlund



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