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

Carlos Jesús Bernardos Cano <cjbc@it.uc3m.es> Thu, 13 July 2017 17:39 UTC

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From: Carlos =?ISO-8859-1?Q?Jes=FAs?= Bernardos Cano <cjbc@it.uc3m.es>
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To: "Korhonen, Jouni" <Jouni.Korhonen@nordicsemi.no>, =?ISO-8859-1?Q?Bal=E1zs?= Varga A <balazs.a.varga@ericsson.com>, "detnet-dp-dt@ietf.org" <detnet-dp-dt@ietf.org>
Date: Thu, 13 Jul 2017 19:39:25 +0200
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Subject: Re: [Detnet-dp-dt] DP DT solution draft slides for IETF99
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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).

- Slides 11 and 12: use the same order for "Flow-ID" and "SeqNum" on
the slides (right hand side)

- 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).

- Slide 14: "already be seen" --> "already been seen"

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
> 
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