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 <dmm@ietf.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. > >€ [1] 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: > >€ [2] 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. > >€ [3] 3GPP TS 23.501 (V15.0.0): System Architecture for the 5G System >€ [4] 3GPP TS 23.502 (V15.0.0): Procedures for the 5G System >€ [5] 3GPP TS 23.503 (V15.0.0): Policy and Charging Framework for the 5G >System >€ [6] 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-tsgc >t-ct4-dmm-cp-173160-new-study-item-on-user-plane-protocol-in-5gc-attachmen >t-1.doc > _______________________________________________ dmm mailing list dmm@ietf.org https://www.ietf.org/mailman/listinfo/dmm
