Hi Arashmid, We provide the status of the related work items in DMM, and seek any clarifications on their CT4 work. Key thing from our point of view is to get their feedback on the work we are doing and try to meet their timelines.
Sri On 4/12/18, 10:53 AM, "Arashmid Akhavain" <arashmid.akhav...@huawei.com> wrote: >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: dmm@ietf.org >> 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 <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-t >> >sgc >> >t-ct4-dmm-cp-173160-new-study-item-on-user-plane-protocol-in-5gc-attach >> >men >> >t-1.doc >> > >> >> _______________________________________________ >> dmm mailing list >> dmm@ietf.org >> https://www.ietf.org/mailman/listinfo/dmm _______________________________________________ dmm mailing list dmm@ietf.org https://www.ietf.org/mailman/listinfo/dmm
