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

Jouni Korhonen <jouni.korhonen@broadcom.com> Thu, 09 March 2017 16:43 UTC

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To: Jiangyuanlong <jiangyuanlong@huawei.com>, 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: Thu, 9 Mar 2017 08:43:12 -0800
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Subject: Re: [Detnet-dp-dt] one question on S-DetNet-PEs
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I think the slides on this topic are now outdated considering the 
outcome of the latest calls.

- Jouni

3/8/2017, 5:37 PM, Jiangyuanlong kirjoitti:
> I agreed that tunneling is the right tool. But it seems L-lable is also used for FRER mapping in Loa's slide, not just for tunnel identification.
>
>
> -----Original Message-----
> From: Detnet-dp-dt [mailto:detnet-dp-dt-bounces@ietf.org] On Behalf Of Jouni Korhonen
> Sent: Thursday, March 09, 2017 4:18 AM
> To: Loa Andersson; detnet-dp-dt@ietf.org
> Subject: Re: [Detnet-dp-dt] one question on S-DetNet-PEs
>
> 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
>
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