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

Balázs Varga A <balazs.a.varga@ericsson.com> Thu, 13 July 2017 09:54 UTC

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From: =?iso-8859-1?Q?Bal=E1zs_Varga_A?= <balazs.a.varga@ericsson.com>
To: "Korhonen, Jouni" <Jouni.Korhonen@nordicsemi.no>, "detnet-dp-dt@ietf.org" <detnet-dp-dt@ietf.org>
Thread-Topic: DP DT solution draft slides for IETF99
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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. 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