Hi Sri, There two drafts that DMM can perhaps use in the response. https://www.ietf.org/internet-drafts/draft-hmm-dmm-5g-uplane-analysis-00.txt http://www.ietf.org/id/draft-bogineni-dmm-optimized-mobile-user-plane-01.txt
Please let us know how you would like to proceed and how we can help. Arashmid > -----Original Message----- > From: dmm [mailto:dmm-boun...@ietf.org] On Behalf Of Sri Gundavelli > (sgundave) > Sent: 22 June 2018 12:24 > To: dmm@ietf.org > Subject: Re: [DMM] New Liaison Statement, "CP-173160: New Study Item on > User Plane Protocol in 5GC" > > Folks - Back to this. > > Any feedback on this? Now that we have waited for some time, I hope we > now have a view on this LS. I tend to think we should send a response soon > before the July deadline. > > Sri > > > > > > > > On 4/16/18, 9:47 AM, "dmm on behalf of Sri Gundavelli (sgundave)" > <dmm-boun...@ietf.org on behalf of sgund...@cisco.com> wrote: > > >Hi Arashmid, > > > >I was not looking at their July date, but more about exchanging status > >of the work and seek feedback. > > > >I think, we now are on the same page now. > > > >Sri > > > > > > > > > >On 4/16/18, 8:37 AM, "Arashmid Akhavain" > <arashmid.akhav...@huawei.com> > >wrote: > > > >>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=udBTRvFvXC5Dhqg7U > H > >>> > pJlPps3mZ3LRxpb6__0PomBTQ&r=IdiSODh8aDRjdCeGgd9MznLHMYKgKcs_YS > w > >>> > XBDiaofh47oilzaXYRYETcBynUdpT&m=6_gBQNSJHswcoK2lgva9AV7k84eHseD > 4Q > >>> 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=udBTRvFvXC5Dhq > g7 > >>> > UHpJlPps3mZ3LRxpb6__0PomBTQ&r=IdiSODh8aDRjdCeGgd9MznLHMYKgKcs > _Y > >>> > SwXBDiaofh47oilzaXYRYETcBynUdpT&m=6_gBQNSJHswcoK2lgva9AV7k84eHs > eD > >>> > 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=udBTRvFvXC5Dhq > g7 > >>> > UHpJlPps3mZ3LRxpb6__0PomBTQ&r=IdiSODh8aDRjdCeGgd9MznLHMYKgKcs > _Y > >>> > SwXBDiaofh47oilzaXYRYETcBynUdpT&m=6_gBQNSJHswcoK2lgva9AV7k84eHs > eD > >>> > 4QzNqK5uOvto&s=WpxrwHWCBfM48JFHR4c3WUv3URVo59iiK2w4gInp3A4& > e= > > > >_______________________________________________ > >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 _______________________________________________ dmm mailing list dmm@ietf.org https://www.ietf.org/mailman/listinfo/dmm
