Thanks Kalyani, That makes sense. The wording of the action item though sounded like 3GPP was trying to impose a deadline. I just want to make sure that wasn't the case cause there is still a lot of work to be done.
Arashmid > -----Original Message----- > From: Bogineni, Kalyani [mailto:kalyani.bogin...@verizonwireless.com] > Sent: 16 April 2018 11:26 > To: Arashmid Akhavain <arashmid.akhav...@huawei.com>; Sri Gundavelli > (sgundave) <sgund...@cisco.com>; dmm@ietf.org > Subject: RE: New Liaison Statement, "CP-173160: New Study Item on User > Plane Protocol in 5GC" > > Arashmid - CT4 will start their study in July 2018. So work from IETF can > provide input into that study. > Kalyani > > -----Original Message----- > From: dmm [mailto:dmm-boun...@ietf.org] On Behalf Of Arashmid Akhavain > Sent: Monday, April 16, 2018 11:21 AM > To: Sri Gundavelli (sgundave) <sgund...@cisco.com>; dmm@ietf.org > Subject: [E] Re: [DMM] New Liaison Statement, "CP-173160: New Study Item > on User Plane Protocol in 5GC" > > Hi Sri, > > Thank you for clarification. I never suggested that IETF should single out a > particular proposal. On the contrary, I believe DMM should simply conduct > the study and provide 3GPP with all different options. 3GPP will decide what > to do with the proposals from that point on. As you mentioned there could > be several back and forth between the two SDOs. > > > > So, while I agree with all points, I am still puzzled by the following > statement > in 3GPP email. > > What is the significance of the July 2018 date? > > > > ACTION: > > CT4 respectfully asks IETF DMM to provide any information that may be > relevant to the above CT4 > > work by July 2018. > > > > Arashmid > > > > > -----Original Message----- > > > From: Sri Gundavelli (sgundave) [mailto:sgund...@cisco.com] > > > Sent: 13 April 2018 19:06 > > > 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, > > > > > > > > > I am not seeing a relation to the LS Response and the July 2018 deadline > that > > > you are referring to. I think there is some disconnect here. Lets review > > what > > > we the chairs are thinking. > > > > > > > > > 1. The work in IETF related to User-Plane optimizations will continue for > many > > > months. When there is a LS Request, we will send a LS response. We will use > > > LS query/response as a means to gather feedback from the SDO community, > > > and provide an update on the status of all the documents in DMM at this > > > time. The status includes update on WG documents and individual I-D’s > under > > > discussions. > > > > > > 2. We are not going with the assumption that there will only be a single LS > > > request/response for this entire UP Study, but we will keep exchanging > > > information based on the progress, and whenever we need additional > > > clarifications. > > > > > > 3. There are multiple proposals in IETF. As we have indicated in the past, > > we > > > are not going to recommend THE single solution and put it on a platter for > > > 3GPP consumption, but rather the focus will be on characterization of each > > > approach that we take up in DMM WG. > > > > > > Now, keeping this in mind, if there is a good reason not to send the LS > > > Response now, delay it by some time, or if we believe there is nothing to > > > respond, we can discuss and decide to do just that. Hope this makes sense. > > > > > > Bottomline, all feedback is welcome! > > > > > > > > > Sri > > > > > > > > > > > > > > > On 4/13/18, 1:35 PM, "Arashmid Akhavain" > > > <arashmid.akhav...@huawei.com> > > > wrote: > > > > > > >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://urldefense.proofpoint.com/v2/url?u=https- > 3A__datatracker.ietf.org_liaison_1572_&d=DwIGaQ&c=udBTRvFvXC5Dhqg7UH > pJlPps3mZ3LRxpb6__0PomBTQ&r=IdiSODh8aDRjdCeGgd9MznLHMYKgKcs_YSw > XBDiaofh47oilzaXYRYETcBynUdpT&m=6_gBQNSJHswcoK2lgva9AV7k84eHseD4Q > zNqK5uOvto&s=xXRtTToU8vKTOLEFzACtwz-yPF-u8xD0SwEKGrWLzR0&e= > > > >> >> >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://urldefense.proofpoint.com/v2/url?u=https- > 3A__www.ietf.org_lib_dt_documents_LIAISON_liaison-2D2018-2D04-2D11- > 2D&d=DwIGaQ&c=udBTRvFvXC5Dhqg7UHpJlPps3mZ3LRxpb6__0PomBTQ&r=Idi > SODh8aDRjdCeGgd9MznLHMYKgKcs_YSwXBDiaofh47oilzaXYRYETcBynUdpT&m > =6_gBQNSJHswcoK2lgva9AV7k84eHseD4QzNqK5uOvto&s=czkSoytVFgbq- > fSiLkp3a_BZfo-77tDgQ7B_Rtz-OS8&e= > > > >> >> >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://urldefense.proofpoint.com/v2/url?u=https- > 3A__www.ietf.org_mailman_listinfo_dmm&d=DwIGaQ&c=udBTRvFvXC5Dhqg7 > UHpJlPps3mZ3LRxpb6__0PomBTQ&r=IdiSODh8aDRjdCeGgd9MznLHMYKgKcs_Y > SwXBDiaofh47oilzaXYRYETcBynUdpT&m=6_gBQNSJHswcoK2lgva9AV7k84eHseD > 4QzNqK5uOvto&s=WpxrwHWCBfM48JFHR4c3WUv3URVo59iiK2w4gInp3A4&e= > > > > > > > > _______________________________________________ > dmm mailing list > dmm@ietf.org > https://urldefense.proofpoint.com/v2/url?u=https- > 3A__www.ietf.org_mailman_listinfo_dmm&d=DwIGaQ&c=udBTRvFvXC5Dhqg7 > UHpJlPps3mZ3LRxpb6__0PomBTQ&r=IdiSODh8aDRjdCeGgd9MznLHMYKgKcs_Y > SwXBDiaofh47oilzaXYRYETcBynUdpT&m=6_gBQNSJHswcoK2lgva9AV7k84eHseD > 4QzNqK5uOvto&s=WpxrwHWCBfM48JFHR4c3WUv3URVo59iiK2w4gInp3A4&e= _______________________________________________ dmm mailing list dmm@ietf.org https://www.ietf.org/mailman/listinfo/dmm
