Re: [Detnet-dp-dt] one question on S-DetNet-PEs

Jouni Korhonen <jouni.korhonen@broadcom.com> Wed, 08 March 2017 20:18 UTC

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References: <74ee1719-053f-e12f-304c-f3fa9cf286f5@pi.nu>
To: Loa Andersson <loa@pi.nu>, "detnet-dp-dt@ietf.org" <detnet-dp-dt@ietf.org>
From: Jouni Korhonen <jouni.korhonen@broadcom.com>
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Date: Wed, 8 Mar 2017 12:18:16 -0800
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Subject: Re: [Detnet-dp-dt] one question on S-DetNet-PEs
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Good guestion.

I guess, if you want a specific node to be a S-DetNet-PE for some 
overlay and P for other, you could "tunnel" through it in P case. The 
currect draft still has text for "overlay labels" (i.e., L-labels) and I 
think those would work nicely for this case as you say below.

- Jouni

3/8/2017, 5:03 AM, Loa Andersson kirjoitti:
>
> Folks,
>
> There might be a simple answer, but I don't see it just now.
>
> Suppose we have a network, where we designate a certain number of
> nodes as S-DetNet-PEs, to build a nice overlay DetNet.
>
> Assume that we also designate another set of nodes as S-DetNet-PEs
> for another overlay DetNet.
>
> Also assume that some nodes that are S-DetNet-PE in one network
> are P's in the other.
>
> If we signal that we have have a detnet-ms-pw going through a P node
> that is capable of doing elimination/replication, how do we stop the
> P-node from doing that?
>
> This was something that the T-Lables did for us.
>
> /Loa