### Re: [Detnet-dp-dt] DP DT solution draft slides for IETF99

Loa Andersson <loa@pi.nu> Sun, 16 July 2017 08:49 UTC

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From: Loa Andersson <loa@pi.nu>

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Date: Sun, 16 Jul 2017 10:49:34 +0200

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Subject: Re: [Detnet-dp-dt] DP DT solution draft slides for IETF99

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+1 Jouni, thanks for all the hard work! /Loa PS Can someone help me with github, 20 min hands on maybe. I rad the instructions but don't really get it :(, some of the language is not mine. On 2017-07-15 23:22, János Farkas wrote: > Hi, > > Jouni, thank you very much for preparing the slides! > I agree it is good. > > just a minor comments. > > title page could reflect that this is in fact draft-dt-detnet-dp-sol-01. > I know that the draft is there at the bottom of many pages, but perhaps > it'd be better to call out to the title page. > (and data plane solutions design team, not data plane alternatives ;-) ) > > Thanks, > Janos > > > > > > > > On 7/14/2017 4:29 PM, Lou Berger wrote: >> Looks. Just add page numbers... >> >> Thanks, >> >> Lou >> >> >> On 7/14/2017 7:22 AM, Korhonen, Jouni wrote: >>> Another update. >>> >>> - Jouni >>> >>> >>>> -----Original Message----- >>>> From: Lou Berger [mailto:lberger@labn.net] >>>> Sent: Friday, July 14, 2017 13:22 PM >>>> To: Jiangyuanlong <jiangyuanlong@huawei.com>om>; Jouni >>>> <jouni.nospam@gmail.com>om>; cjbc@it.uc3m.es; Korhonen, Jouni >>>> <Jouni.Korhonen@nordicsemi.no>no>; 'Balázs Varga A' >>>> <balazs.a.varga@ericsson.com>om>; detnet-dp-dt@ietf.org >>>> Subject: Re: [Detnet-dp-dt] DP DT solution draft slides for IETF99 >>>> >>>> T-label imo. >>>> >>>> Lou >>>> >>>> >>>> On July 14, 2017 4:26:06 AM Jiangyuanlong <jiangyuanlong@huawei.com> >>>> wrote: >>>> >>>>> Sorry, I was confused by L-label in the last version and S-Label. But >>>>> we still need to harmonize the T-Lable with the S-Label. >>>>> For example, if we set up a low-latency or contention-free LSP for a >>>>> detnet flow (between DA-T-PEs or DA-S-PEs), most probably we need some >>>>> traffic engineered LSPs (i.e., L-LSP as defined in RFC 3270). >>>>> Can we regard L-LSP labels on the path to be a T-Label or an S-Label? >>>>> >>>>> Best regards, >>>>> Yuanlong >>>>> >>>>> -----Original Message----- >>>>> From: Detnet-dp-dt [mailto:detnet-dp-dt-bounces@ietf.org] On Behalf Of >>>>> Jiangyuanlong >>>>> Sent: Friday, July 14, 2017 3:56 PM >>>>> To: Jouni; cjbc@it.uc3m.es; 'Korhonen, Jouni'; 'Balázs Varga A'; >>>>> detnet-dp-dt@ietf.org >>>>> Subject: Re: [Detnet-dp-dt] DP DT solution draft slides for IETF99 >>>>> >>>>> Hi folks, >>>>> >>>>> I am not sure we need to introduce S-Label in the first place. >>>>> As I remember, we had some consensus that PW label has carried enough >>>>> information in the f2f discussion happened during the last IETF >>>>> meeting. >>>>> And S-label is regarded redundant for PW. Did I miss something? >>>>> >>>>> Thanks, >>>>> Yuanlong >>>>> >>>>> -----Original Message----- >>>>> From: Detnet-dp-dt [mailto:detnet-dp-dt-bounces@ietf.org] On Behalf Of >>>>> Jouni >>>>> Sent: Friday, July 14, 2017 1:17 PM >>>>> To: cjbc@it.uc3m.es; 'Korhonen, Jouni'; 'Balázs Varga A'; >>>>> detnet-dp-dt@ietf.org >>>>> Subject: Re: [Detnet-dp-dt] DP DT solution draft slides for IETF99 >>>>> >>>>> Thanks. >>>>> >>>>>> -----Original Message----- >>>>>> From: Detnet-dp-dt [mailto:detnet-dp-dt-bounces@ietf.org] On Behalf >>>>>> Of Carlos Jesús Bernardos Cano >>>>>> Sent: Thursday, July 13, 2017 20:39 PM >>>>>> To: Korhonen, Jouni <Jouni.Korhonen@nordicsemi.no>no>; Balázs Varga A >>>>>> <balazs.a.varga@ericsson.com>om>; detnet-dp-dt@ietf.org >>>>>> Subject: Re: [Detnet-dp-dt] DP DT solution draft slides for IETF99 >>>>>> >>>>>> Hi Jouni, >>>>>> >>>>>> Thanks for preparing this. Some small comments below: >>>>>> >>>>>> - Slide 6: I'd remove "native" in "PW-based native DetNet" to be >>>>>> consistent with the terms used in the draft (alternatively, I'd use >>>>>> "IPv6- based native DetNet" in slide 7for consistency with "PW-based >>>>>> native DetNet in slide 6). >>>>> Oops. Good catch. >>>>> >>>>>> - Slides 11 and 12: use the same order for "Flow-ID" and "SeqNum" on >>>>>> the slides (right hand side) >>>>> Ok. >>>>> >>>>> >>>>>> - Slide 11: though I have no concrete proposal, I think the S-label >>>>>> could be better introduced (maybe with a figure, also introducing the >>>>>> (DA-)T-PE and (DA-)S-PE node terminology). >>>>> Ok. I'll come up with something. >>>>> >>>>> >>>>>> - Slide 14: "already be seen" --> "already been seen" >>>>> Ok. >>>>> >>>>> - Jouni >>>>> >>>>> >>>>> >>>>>> Thanks, >>>>>> >>>>>> Carlos >>>>>> >>>>>> On Thu, 2017-07-13 at 13:57 +0000, Korhonen, Jouni wrote: >>>>>>> An update.. I am still doing the QoS etc part of the deck. >>>>>>> >>>>>>> >>>>>>> - Jouni >>>>>>> >>>>>>> >>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: Balázs Varga A [mailto:balazs.a.varga@ericsson.com] >>>>>>>> Sent: Thursday, July 13, 2017 12:54 PM >>>>>>>> To: Korhonen, Jouni <Jouni.Korhonen@nordicsemi.no>no>; >>>>>>>> detnet-dp-dt@ie tf.org >>>>>>>> Subject: RE: DP DT solution draft slides for IETF99 >>>>>>>> >>>>>>>> Hi Jouni, >>>>>>>> >>>>>>>> Thanks for preparing this. Just some fast reactions: >>>>>>>> - slide5-6-7: we may receive a comment that it looks like only >>>>>>>> end- hosts having same type (TSN, MPLS, IPv6) can be >>>> interconnected. >>>>>>>> I would propose to add a note, that other combinations as >>>>>>>> depicted requires further considerations. >>>>>>>> >>>>>>>> - slide8: we have used the MS-PW analogy during our discussions. >>>>>>>> However >>>>>>>> it is valid only if PREF is used. >>>>>>>> I would propose to refer on the first bullet only to "PseudoWires" >>>>>>>> and >>>>>>>> "IPv6" as the two data plane solution. >>>>>>>> A further note could highlight the MS-PW analogy for PREF >>>> scenarios. >>>>>>>> - slide10-11: I would pair the DetNet flow specific information >>>>>>>> fields to be transported with the data plane encapsulation fields. >>>>>>>> DetNet flow Encapsulation fields >>>>>>>> Flow ID: PW label >>>>>>>> Seq. number: CW >>>>>>>> >>>>>>>> - slide14: regarding multicast DetNet flows I would formulate >>>>>>>> somewhat different. In my view we have considered p2p data plane >>>>>>>> solutions. >>>>>>>> The defined data plane works for DetNet flows having multicast >>>>>>>> dst- address assuming that the DetNet domain provides p2p >>>> connectivity. >>>>>>>> We may also receive comments that many DetNet flows are multicast >>>>>>>> (e.g., TSN flows using IEEE-FRER, etc.) >>>>>>>> >>>>>>>> Cheers >>>>>>>> Bala'zs >>>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: Detnet-dp-dt [mailto:detnet-dp-dt-bounces@ietf.org] On >>>>>>>> Behalf Of Korhonen, Jouni >>>>>>>> Sent: 2017. július 12. 23:29 >>>>>>>> To: detnet-dp-dt@ietf.org >>>>>>>> Subject: [Detnet-dp-dt] DP DT solution draft slides for IETF99 >>>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> Sorry about this taking so long. Please, have a look and flame on.. >>>>>>>> There's still time to work on the actual content. However, keep >>>>>>>> in mind that this is mainly an update from last time. >>>>>>>> >>>>>>>> - Jouni >>>>>>> _______________________________________________ >>>>>>> Detnet-dp-dt mailing list >>>>>>> Detnet-dp-dt@ietf.org >>>>>>> https://www.ietf.org/mailman/listinfo/detnet-dp-dt >>>>>> _______________________________________________ >>>>>> Detnet-dp-dt mailing list >>>>>> Detnet-dp-dt@ietf.org >>>>>> https://www.ietf.org/mailman/listinfo/detnet-dp-dt >>>>> _______________________________________________ >>>>> Detnet-dp-dt mailing list >>>>> Detnet-dp-dt@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/detnet-dp-dt >>>>> _______________________________________________ >>>>> Detnet-dp-dt mailing list >>>>> Detnet-dp-dt@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/detnet-dp-dt >>>>> _______________________________________________ >>>>> Detnet-dp-dt mailing list >>>>> Detnet-dp-dt@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/detnet-dp-dt >> _______________________________________________ >> Detnet-dp-dt mailing list >> Detnet-dp-dt@ietf.org >> https://www.ietf.org/mailman/listinfo/detnet-dp-dt > > _______________________________________________ > Detnet-dp-dt mailing list > Detnet-dp-dt@ietf.org > https://www.ietf.org/mailman/listinfo/detnet-dp-dt -- Loa Andersson email: loa@mail01.huawei.com Senior MPLS Expert loa@pi.nu Huawei Technologies (consultant) phone: +46 739 81 21 64

- [Detnet-dp-dt] DP DT solution draft slides for IE… Korhonen, Jouni
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Balázs Varga A
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Korhonen, Jouni
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Korhonen, Jouni
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Carlos Jesús Bernardos Cano
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Jouni
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Jiangyuanlong
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Jiangyuanlong
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Lou Berger
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Korhonen, Jouni
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Jiangyuanlong
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Loa Andersson
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Lou Berger
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… János Farkas
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Loa Andersson
- Re: [Detnet-dp-dt] DP DT solution draft slides fo… Korhonen, Jouni