Hi Sri, Any idea what the plan is once we pass this information to CT4?
Arashmid > -----Original Message----- > From: dmm [mailto:dmm-boun...@ietf.org] On Behalf Of Sri Gundavelli > (sgundave) > Sent: 12 April 2018 12:47 > To: email@example.com > Subject: Re: [DMM] New Liaison Statement, "CP-173160: New Study Item on > User Plane Protocol in 5GC" > > Please review and post your comments. Chairs will draft a response for WG > review. > > Sri > > > On 4/11/18, 11:16 AM, "Liaison Statement Management Tool" > <l...@ietf.org> > wrote: > > >Title: CP-173160: New Study Item on User Plane Protocol in 5GC > >Submission Date: 2018-04-11 URL of the IETF Web page: > >https://datatracker.ietf.org/liaison/1572/ > >Please reply by 2018-07-20 > >From: Satoru Matsushima <satoru.matsush...@g.softbank.co.jp> > >To: Sri Gundavelli <sgund...@cisco.com>,Dapeng Liu > ><maxpass...@gmail.com> > >Cc: Dapeng Liu <maxpass...@gmail.com>,Terry Manderson > ><terry.mander...@icann.org>,Distributed Mobility Management Discussion > >List <firstname.lastname@example.org>,Sri Gundavelli <sgund...@cisco.com>,Suresh Krishnan > ><sur...@kaloom.com> Response Contacts: > >georg.mayer.hua...@gmx.com,3gppliai...@etsi.org > >Technical Contacts: > >Purpose: For action > > > >Body: 1. Overall Description: > >3GPP working group of CT4 (Core and Terminal) would like to inform the > >IETF that CT4 has initiated a study item on user plane protocol in 5GC > >for Release-16 of 5G phase 2 (see CP-173160). > > > >Based on the outcome from the IETF / 3GPP Coordination meeting at > >IETF#100, 3GPP CT4 got aware that IETF DMM WG is currently working on a > >possible candidate protocol for the 3GPP 5G user plane protocol. > > > >3GPP CT4 wants to emphasize that currently there is no related > >evaluation ongoing in 3GPP. Nevertheless, a study item was approved for > >such a study to start in the second half of 2018. The study will > >evaluate between existing solutions within 3GPP and other protocols, > >based on the Release > >16 stage 2 (system architecture) requirements. > > > >3GPP CT4 would like to point IETF DMM to the following specifications > >on GTP-U. The Release 16 stage 2 requirements are not yet known but it > >is worth looking at latest GTP-U spec which will be evaluated through > >the study as the existing protocol. > > > >€  3GPP TS 29.281 (V15.1.0): GPRS Tunnelling Protocol User Plane > >(GTPv1-U) > > > > > >Following technical report provides information of how 3GPP considered > >GTP-U apply to user plane of 5G_ph1: > > > >€  3GPP TR 29.891 (V15.0.0): 5G System Phase 1; CT4 Aspects > > > > > >Furthermore, 3GPP would like to give the following general guidance to > >IETF DMM, regarding user plane transport within 3GPP networks. These > >are technical specifications that include also the necessary > >information to understand which architectural, QoS, security-related > >and high-level requirements GTP-U currently complies to within 5G_ph1. > > > >€  3GPP TS 23.501 (V15.0.0): System Architecture for the 5G System > >€  3GPP TS 23.502 (V15.0.0): Procedures for the 5G System > >€  3GPP TS 23.503 (V15.0.0): Policy and Charging Framework for the > 5G > >System > >€  3GPP TS 33.501 (V0.6.0): Security Architecture (work in progress) > > > >2. Actions: > >To IETF DMM: > >ACTION: CT4 respectfully asks IETF DMM to provide any information > that > >may be relevant to the above CT4 work by July 2018. > > > > > >3. Date of Next CT and CT4 Meetings: > >CT4#83 26th Feb 2nd Mar 2018 Montreal, CAN > >CT#79 19th 20th Mar 2018 Chennai, India > >CT4#84 16th 20th April 2018 Kunming, China > >CT4#85 21st 25th May 2018 Osaka, Japan > >CT#80 11th 12th June 2018 La Jolla, USA > >CT4#85-bis 9th 13th July 2018 TBD, France > >CT4#86 20st 24th Aug 2018 TBD, USA > >Attachments: > > > > CP-180116 > > > >https://www.ietf.org/lib/dt/documents/LIAISON/liaison-2018-04-11-3gpp-t > >sgc > >t-ct4-dmm-cp-173160-new-study-item-on-user-plane-protocol-in-5gc-attach > >men > >t-1.doc > > > > _______________________________________________ > dmm mailing list > email@example.com > https://www.ietf.org/mailman/listinfo/dmm _______________________________________________ dmm mailing list firstname.lastname@example.org https://www.ietf.org/mailman/listinfo/dmm