RE: LS from 3GPP on QUIC network level troubleshooting capabilities

<lionel.morand@orange.com> Sun, 27 October 2019 22:14 UTC

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Subject: RE: LS from 3GPP on QUIC network level troubleshooting capabilities
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Hi,
 
As said below, QUIC would be used only in the control plane and not for e2e user traffic.
 
Regards,
 
Lionel
 
De : Ian Swett [mailto:ianswett@google.com] 
Envoyé : lundi 14 octobre 2019 00:35
À : Lars Eggert
Cc : MORAND Lionel TGI/OLN; httpbis-chairs@ietf.org; allison.mankin@gmail.com; quic-chairs@ietf.org; Gonzalo Camarillo; ietf-http-wg@w3.org; quic@ietf.org; quic-ads@ietf.org; httpbis-ads@ietf.org
Objet : Re: LS from 3GPP on QUIC network level troubleshooting capabilities
 
If the main concern is inability to passively measure packet loss and as Lars said this is not for end-to-end user traffic(so support for certain extensions could be assumed), then this could be a good test case for draft-ferrieuxhamchaoui-quic-lossbits <https://tools.ietf.org/html/draft-ferrieuxhamchaoui-quic-lossbits-01> to prove it works as intended and see if the mechanism needs any changes.
 
On Sun, Oct 13, 2019 at 4:34 AM Lars Eggert <lars@eggert.org <mailto:lars@eggert.org>> wrote:
Hi Lionel,

On 2019-10-12, at 11:24, <lionel.morand@orange.com <mailto:lionel.morand@orange.com>> <lionel.morand@orange.com <mailto:lionel.morand@orange.com>> wrote:
> Please find enclosed a liaison statement from the 3GPP CT WG 4 (CT4).

I do not see this liaison statement posted at https://datatracker.ietf.org/liaison/ <https://datatracker.ietf.org/liaison/>. Please make sure to submit it via the regular process, to keep all relevant entities in the loop.

> This WG is actually studying the introduction of QUIC as transport protocol instead of HTTP/2 in the 5G core network.
> The WG has some questions regarding the troubleshooting capabilities supported by QUIC compared to the ones available with TCP.

Based on my (limited) understanding of the 5G architecture, this use of QUIC would be as a protocol for carrying control information inside a 5G network control plane. In other words, it is not about the end-to-end use of QUIC over paths that traverse 5G networks. Is my understanding correct?

Thanks,
Lars

>  The LS is officially addressed to the QUIC WG. However, it was highlighted that httpbis WG could also be interested in. I will let you decide if only QUIC or both are relevant in the discussion.
> 
> Next CT4 WG meetings:
> 3GPP TSG CT4#95           11th – 15th November 2019       Reno, US
> 3GPP TSG CT4#96           24th – 28th February 2020          Sophia Antipolis, FR
> 
> It would be good to receive an official feedback at the latest for the February meeting, where the study will be concluded (at least for this release).
> 
> Regards,
> 
> <image001.jpg>
> 
> Lionel Morand
> Chair of 3GPP TSG CT
> 3GPP Liaison Person to IETF
> Chair of IETF Dime and Radext WGs
> Core Network Senior Architect and Diameter expert
> Cell. +33 6 07 75 89 36 <tel:+33%206%2007%2075%2089%2036>
> lionel.morand@orange.com <mailto:lionel.morand@orange.com>
> 
> 
> 
> 
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> <Liaison Statement on QUIC network level troubleshooting capabilities.docx>

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a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration,
Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci.

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