Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-05 Thread Behcet Sarikaya
orry for jumping into the discussion... > > > From my and (AFAIK) 3GPPs understanding your smartphone is a > > UE - sitting on the other side of RAN (gNB) - whereas a UPF > > normally is seen as UP entry (and exit) of the 5G core (i.e. > > hand

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-04 Thread Alexandre Petrescu
an opportunity. >>> >>> Not if they are encapsulated and routers don’t touch packets inside. >>> >>> Dino >>> >>>> >>>> >>>>

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-04 Thread Arashmid Akhavain
Bhaskaran [mailto:sridhar.bhaska...@gmail.com] Sent: 03 October 2018 12:29 To: Arashmid Akhavain Cc: sarik...@ieee.org; homma.shuns...@lab.ntt.co.jp; dmm@ietf.org Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 >>A UPF is any function that can be executed on user t

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-03 Thread Sridhar Bhaskaran
ee > will be in the form of SGW, PGW. > > > > Arashmid > > > > *From:* dmm [mailto:dmm-boun...@ietf.org] *On Behalf Of *Behcet Sarikaya > *Sent:* Tuesday, October 02, 2018 11:44 AM > *To:* Shunsuke Homma > *Cc:* dmm > *Subject:* Re: [DMM] Comments t

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-02 Thread Arashmid Akhavain
[mailto:dmm-boun...@ietf.org] On Behalf Of Behcet Sarikaya Sent: Tuesday, October 02, 2018 11:44 AM To: Shunsuke Homma Cc: dmm Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 UPF is virtualized PGW, folks. While PGW is fixed in location and possibly serving a large number of UE

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-02 Thread Behcet Sarikaya
; From: dmm [mailto:dmm-boun...@ietf.org] On Behalf Of Alexandre Petrescu > > Sent: Montag, 1. Oktober 2018 13:22 > > To: dmm@ietf.org > > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > > > > > > > > Le 01/10/2018 à 05:5

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-01 Thread Shunsuke Homma
someone imagine any scenario where UE implements UPF? Thanks! Best Regards Dirk -Original Message- From: dmm [mailto:dmm-boun...@ietf.org] On Behalf Of Alexandre Petrescu Sent: Montag, 1. Oktober 2018 13:22 To: dmm@ietf.org Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-01 Thread Tom Herbert
glorified router). Tom > Thanks! > Best Regards > Dirk > > -Original Message- > From: dmm [mailto:dmm-boun...@ietf.org] On Behalf Of Alexandre Petrescu > Sent: Montag, 1. Oktober 2018 13:22 > To: dmm@ietf.org > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-upl

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-01 Thread Dirk.von-Hugo
hat, GTP did it the right way, even though it cost in >>>> header length. >>>> >>>> Dino >>>> >>>>> On Sep 7, 2018, at 8:26 AM, Arashmid Akhavain >>>> wrote: >>>>> >>>>> Correct, flow labels ca

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-10-01 Thread Alexandre Petrescu
; ta-miyas...@kddi-research.jp; dmm Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 I think you’ll still have the PHB re-marking issues I mentioned in previous emails. The question is, should the network touch/change any header bits of the packet the source has built. The ans

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-30 Thread Shunsuke Homma
- From: Dino Farinacci [mailto:farina...@gmail.com] Sent: 07 September 2018 13:08 To: Arashmid Akhavain Cc: Tom Herbert ; ta-miyas...@kddi-research.jp; dmm Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 I think you’ll still have the PHB re-marking issues I mentioned in previ

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-10 Thread Behcet Sarikaya
Folks, let's not forget that most of these things you are talking about are session layer issues. According to OSI layering, the session layer is Layer 5, above Layer 4 which is transport layer. 3GPP is using UDP which is Layer 4 for this session layer coding. I think probably it is a better layer

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Satoru Matsushima
Thanks Sridhar for your followups. > Just pointing people to drafts doesn’t help in understanding. It requires > people to go off, put in a lot of time where the odds are their question will > not be answered. > > [SB] TS 29.244 is not a draft but rather a full fledged technical >

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Tom Herbert
> > >> -Original Message- >> From: Tom Herbert [mailto:t...@quantonium.net] >> Sent: 07 September 2018 11:51 >> To: Arashmid Akhavain >> Cc: Dino Farinacci ; ta-miyas...@kddi-research.jp; >> dmm >> Subject: Re: [DMM] Comments to draft-hmm-dmm

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Dino Farinacci
nto slices. I should look into the air side of >> the >> business and see what happens there. >>> >>> >>> >>>> -Original Message- >>>> From: Tom Herbert [mailto:t...@quantonium.net] >>>> Sent: 07 September 2018 11

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Arashmid Akhavain
? Arashmid > -Original Message- > From: Tom Herbert [mailto:t...@quantonium.net] > Sent: 07 September 2018 11:51 > To: Arashmid Akhavain > Cc: Dino Farinacci ; ta-miyas...@kddi-research.jp; > dmm > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > &g

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Arashmid Akhavain
Sent: 07 September 2018 13:08 > To: Arashmid Akhavain > Cc: Tom Herbert ; ta-miyas...@kddi-research.jp; > dmm > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > > I think you’ll still have the PHB re-marking issues I mentioned in previous > emails. The q

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Dino Farinacci
m: Dino Farinacci [mailto:farina...@gmail.com] >>>> Sent: 06 September 2018 18:59 >>>> To: Arashmid Akhavain >>>> Cc: Tom Herbert ; ta-miyas...@kddi-research.jp; >>>> dmm >>>> Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analy

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Tom Herbert
Dino Farinacci ; ta-miyas...@kddi-research.jp; >> dmm >> Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 >> >> On Fri, Sep 7, 2018 at 8:01 AM, Arashmid Akhavain >> wrote: >> > >> > >> >> -Original Message- >&

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Arashmid Akhavain
nal Message- > From: Tom Herbert [mailto:t...@quantonium.net] > Sent: 07 September 2018 11:13 > To: Arashmid Akhavain > Cc: Dino Farinacci ; ta-miyas...@kddi-research.jp; > dmm > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > > On Fri, Sep 7

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Arashmid Akhavain
> From: Dino Farinacci [mailto:farina...@gmail.com] > Sent: 06 September 2018 19:01 > To: Tom Herbert > Cc: Arashmid Akhavain ; ta- > miyas...@kddi-research.jp; dmm > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > > I’d ask the question another way:

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Tom Herbert
gt; > Now, here is an interesting question for the operators. Would any operator >> be interested in allowing QoS to be set by the UE or by applications running >> in the UE and charged for by the network? "Yes" could potentially imply >> impacts on the air interface

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Arashmid Akhavain
> -Original Message- > From: Dino Farinacci [mailto:farina...@gmail.com] > Sent: 06 September 2018 18:59 > To: Arashmid Akhavain > Cc: Tom Herbert ; ta-miyas...@kddi-research.jp; > dmm > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > &g

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Behcet Sarikaya
Cc: ta-miyas...@kddi-research.jp; dmm > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > > On Thu, Sep 6, 2018 at 9:18 AM, Behcet Sarikaya > wrote: > > > > > > On Thu, Sep 6, 2018 at 10:40 AM Tom Herbert wrote: > >> > >

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Behcet Sarikaya
On Fri, Sep 7, 2018 at 8:35 AM Alexandre Petrescu < alexandre.petre...@gmail.com> wrote: > > > Le 06/09/2018 à 12:27, Sridhar Bhaskaran a écrit : > > Dear Behcet, > > > > >>What is PFCP, is it GTP-U? > > > > PFCP is a control plane protocol used between control plane function and > > user plane

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-07 Thread Alexandre Petrescu
Le 04/09/2018 à 18:42, Dino Farinacci a écrit : Folks, I sent comment to the authors and they asked me to forward them to the WG list. I also attended 3GPP/CT4 a couple of weeks ago and can report on it in Bangkok. Maybe Satoru can as well. There were two IETF-related presentations given.

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Tom Herbert
tent to the >> provider or the whole Internet. Firewall and Service Tickets is being >> proposed as one such mechanism to solve this (see >> https://tools.ietf.org/html/draft-herbert-fast). >> >> Tom >> >>> Arashmid >>> >>> >>>> --

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Tom Herbert
ewall and Service Tickets is being proposed as one such mechanism to solve this (see https://tools.ietf.org/html/draft-herbert-fast). Tom > Arashmid > > >> -Original Message- >> From: dmm [mailto:dmm-boun...@ietf.org] On Behalf Of Dino Farinacci >> Sent: 06 Septem

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Arashmid Akhavain
...@kddi-research.jp; dmm > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > > > Behcet, > > > > I was thinking if TEID is need then that can be encoded in a locator > > easily enough. > > > > Tom > > Not if a locator is a PGW that

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Arashmid Akhavain
Cc: ta-miyas...@kddi-research.jp; dmm Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 On Thu, Sep 6, 2018 at 10:40 AM Tom Herbert mailto:t...@quantonium.net>> wrote: On Thu, Sep 6, 2018 at 3:24 AM, Sridhar Bhaskaran mailto:sridhar.bhaska...@gmail.com>> wrote: &

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Tom Herbert
:22 > To: Behcet Sarikaya > Cc: ta-miyas...@kddi-research.jp; dmm > Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 > > On Thu, Sep 6, 2018 at 9:18 AM, Behcet Sarikaya > wrote: >> >> >> On Thu, Sep 6, 2018 at 10:40 AM Tom Herbert wrote: >>&g

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Dino Farinacci
> Behcet, > > I was thinking if TEID is need then that can be encoded in a locator > easily enough. > > Tom Not if a locator is a PGW that is shared by many UEs. 3GPP wants per bearer awareness so they need a specific ID, that could have been the UE’s IP address. And with IPv6 it can be

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Dino Farinacci
> Sridhar, > > Couldn't the TEID be encoded in the outer IP address of an > encpasulation or network overlay in a similar way that VNIs are > encoded in IP addresses in virtual networking? > > Tom There are lots of ways to do it. The point is, was an additional 32 bits necessary solely for

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Marco Liebsch
-research.jp; dmm Subject: Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01 On Thu, Sep 6, 2018 at 9:18 AM, Behcet Sarikaya wrote: > > > On Thu, Sep 6, 2018 at 10:40 AM Tom Herbert wrote: >> >> On Thu, Sep 6, 2018 at 3:24 AM, Sridhar Bhaskaran >> wrote: >>

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Dino Farinacci
Sridhar, > [SB] Lets say we only use UE IP address and no TEID. How will you identify > the bearer context the packet belongs? One UE may use multiple radio bearers > / QoS flows. DSCP in IPv4 and Flow Label in IPv6 is one option but these are > IP level markings which could be changed by any

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Tom Herbert
On Thu, Sep 6, 2018 at 9:18 AM, Behcet Sarikaya wrote: > > > On Thu, Sep 6, 2018 at 10:40 AM Tom Herbert wrote: >> >> On Thu, Sep 6, 2018 at 3:24 AM, Sridhar Bhaskaran >> wrote: >> > My comments inline marked [SB] >> > >> >> > >>> It was never clear to me and no one could ever explain exactly

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Behcet Sarikaya
On Thu, Sep 6, 2018 at 10:40 AM Tom Herbert wrote: > On Thu, Sep 6, 2018 at 3:24 AM, Sridhar Bhaskaran > wrote: > > My comments inline marked [SB] > > > >> > >>> It was never clear to me and no one could ever explain exactly > why a > >> > >>> TEID is needed. I presumed for accounting reasons.

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Tom Herbert
On Thu, Sep 6, 2018 at 3:24 AM, Sridhar Bhaskaran wrote: > My comments inline marked [SB] > >> > >>> It was never clear to me and no one could ever explain exactly why a >> > >>> TEID is needed. I presumed for accounting reasons. But if there was a >> > >>> one-to-one mapping between tunnel and

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-06 Thread Sridhar Bhaskaran
My comments inline marked [SB] > >>> It was never clear to me and no one could ever explain exactly why a > TEID is needed. I presumed for accounting reasons. But if there was a > one-to-one mapping between tunnel and user, why couldn’t the inner > addresses be used for accounting? > > > >

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-05 Thread Behcet Sarikaya
On Wed, Sep 5, 2018 at 3:56 AM Sridhar Bhaskaran < sridhar.bhaska...@gmail.com> wrote: > Dear Dino, > > Some clarifications on your comments > > >>> It was never clear to me and no one could ever explain exactly why a > TEID is needed. I presumed for accounting reasons. But if there was a >

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-05 Thread Dino Farinacci
> Dear Dino, > > Some clarifications on your comments I am going to use general terms here so we don’t get hung up in IETF and/or 3GPP terminology. Which doesn’t make things clear to anyone really. So we can stay on point. > >>> It was never clear to me and no one could ever explain exactly

Re: [DMM] Comments to draft-hmm-dmm-5g-uplane-analysis-01

2018-09-05 Thread Sridhar Bhaskaran
Dear Dino, Some clarifications on your comments >>> It was never clear to me and no one could ever explain exactly why a TEID is needed. I presumed for accounting reasons. But if there was a one-to-one mapping between tunnel and user, why couldn’t the inner addresses be used for accounting?