Kalyani - Sure; Ack! Sri
On 4/14/18, 7:59 AM, "Bogineni, Kalyani" <[email protected]> wrote: >Sri: > >Providing information on the various protocols options in IETF in a >comprehensive way will be useful not only to >3GPP but also to ETSI/ITU which is also working on NG protocols as >pointed out by some folks at IETF #101. Each SDO >can make use of that information as needed. > >Kalyani > >-----Original Message----- >From: dmm [mailto:[email protected]] On Behalf Of Sri Gundavelli >(sgundave) >Sent: Friday, April 13, 2018 7:06 PM >To: Arashmid Akhavain <[email protected]>; [email protected] >Subject: [E] Re: [DMM] 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" <[email protected]> > >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:[email protected]] > >>> Sent: 13 April 2018 12:47 > >>> To: Arashmid Akhavain <[email protected]>; [email protected] > >>> 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" > >>> <[email protected]> > >>> wrote: > >>> > >>> >Hi Sri, > >>> > > >>> >Any idea what the plan is once we pass this information to CT4? > >>> > > >>> >Arashmid > >>> > > >>> >> -----Original Message----- > >>> >> From: dmm [mailto:[email protected]] On Behalf Of Sri Gundavelli > >>> >> (sgundave) > >>> >> Sent: 12 April 2018 12:47 > >>> >> To: [email protected] > >>> >> 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" > >>> >> <[email protected]> > >>> >> 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.o >>>>rg_liaison_1572_&d=DwIGaQ&c=udBTRvFvXC5Dhqg7UHpJlPps3mZ3LRxpb6__0PomBTQ >>>>&r=IdiSODh8aDRjdCeGgd9MznLHMYKgKcs_YSwXBDiaofh47oilzaXYRYETcBynUdpT&m=H >>>>zWn613RHnz3I2LqLeSynqPwGlz9DKPBbb8gsskSANw&s=9CURIbNAYuWQYF-7wjuFSRJTLB >>>>5XX_6f8C3FJHODsRA&e= > >>> >> >Please reply by 2018-07-20 > >>> >> >From: Satoru Matsushima <[email protected]> > >>> >> >To: Sri Gundavelli <[email protected]>,Dapeng Liu > >>> >> ><[email protected]> > >>> >> >Cc: Dapeng Liu <[email protected]>,Terry Manderson > >>> >> ><[email protected]>,Distributed Mobility Management > >>> >> >Discussion List <[email protected]>,Sri Gundavelli > >>> >> ><[email protected]>,Suresh Krishnan <[email protected]> Response > >>> Contacts: > >>> >> >[email protected],[email protected] > >>> >> >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_d >>>>t_documents_LIAISON_liaison-2D2018-2D04-2D11-2D3gp&d=DwIGaQ&c=udBTRvFvX >>>>C5Dhqg7UHpJlPps3mZ3LRxpb6__0PomBTQ&r=IdiSODh8aDRjdCeGgd9MznLHMYKgKcs_YS >>>>wXBDiaofh47oilzaXYRYETcBynUdpT&m=HzWn613RHnz3I2LqLeSynqPwGlz9DKPBbb8gss >>>>kSANw&s=kIhxr2LLtR-ttoiqAh4-SDHSwwnGObdxK0UvYJ5KCtE&e= > >>> >> >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 > >>> >> [email protected] > >>> >> >>>https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailma >>>n_listinfo_dmm&d=DwIGaQ&c=udBTRvFvXC5Dhqg7UHpJlPps3mZ3LRxpb6__0PomBTQ&r= >>>IdiSODh8aDRjdCeGgd9MznLHMYKgKcs_YSwXBDiaofh47oilzaXYRYETcBynUdpT&m=HzWn6 >>>13RHnz3I2LqLeSynqPwGlz9DKPBbb8gsskSANw&s=oMHUVaNvmV9Z_mLgotE-AUxiyp6sigD >>>64AJ0f67ndB4&e= > >> > > > >_______________________________________________ >dmm mailing list >[email protected] >https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_ >listinfo_dmm&d=DwIGaQ&c=udBTRvFvXC5Dhqg7UHpJlPps3mZ3LRxpb6__0PomBTQ&r=IdiS >ODh8aDRjdCeGgd9MznLHMYKgKcs_YSwXBDiaofh47oilzaXYRYETcBynUdpT&m=HzWn613RHnz >3I2LqLeSynqPwGlz9DKPBbb8gsskSANw&s=oMHUVaNvmV9Z_mLgotE-AUxiyp6sigD64AJ0f67 >ndB4&e= _______________________________________________ dmm mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmm
