Hi Sri, Thank you for getting back to us. They listed a few dates there. The final deadline is I guess July 2018. Are we targeting anything earlier?
Arashmid > -----Original Message----- > From: Sri Gundavelli (sgundave) [mailto:sgund...@cisco.com] > Sent: 13 April 2018 12:47 > To: Arashmid Akhavain <arashmid.akhav...@huawei.com>; dmm@ietf.org > Subject: Re: New Liaison Statement, "CP-173160: New Study Item on User > Plane Protocol in 5GC" > > 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-2018-04-11-3gp > >> >p-t > >> >sgc > >> >t-ct4-dmm-cp-173160-new-study-item-on-user-plane-protocol-in-5gc-att > >> >ach > >> >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
