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Re: [mpls] [spring] [SPRING] Query related to SR Architecture

Robert Raszuk <robert@raszuk.net> Thu, 10 September 2015 18:49 UTC

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Date: Thu, 10 Sep 2015 20:49:17 +0200
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From: Robert Raszuk <robert@raszuk.net>
To: "Acee Lindem (acee)" <acee@cisco.com>
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Cc: "mpls@ietf.org" <mpls@ietf.org>, Gaurav agrawal <gaurav.agrawal@huawei.com>, Vinod Kumar S 70786 <v70786@notesmail.huawei.com.cn>, "spring@ietf.org" <spring@ietf.org>, "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>, Pushpasis Sarkar <psarkar@juniper.net>
Subject: Re: [mpls] [spring] [SPRING] Query related to SR Architecture
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> But the mechanisms for advertising the label semantics as such must
> be specified as well.

I don't think so ... in the age of SDN those can be one time pushed
from controller to network element as example.

Those can also be configured by hand.

Especially if we are talking domian/global label values.

Cheers,
R.


On Thu, Sep 10, 2015 at 8:44 PM, Acee Lindem (acee) <acee@cisco.com> wrote:
> Hi Robert,
>
> On Sep 10, 2015, at 2:38 PM, Robert Raszuk <robert@raszuk.net> wrote:
>
> Hey Acee,
>
>>
>> In MPLS, one label is like any other label (except for the first 15 which
>> are reserved). I think you are missing a whole lot of context here - you
>> can’t just declare a new label type with different semantics.
>
>
>
> That is actually quite incorrect :)  We do declare new semantics for labels
> all the time ...
>
> Few examples:
>
> - context label
> - entropy label
> - sr label
> etc…
>
>
> But the mechanisms for advertising the label semantics as such must be
> specified as well.
>
> Thanks,
> Acee
>
>
>
> Cheers,
> R
>
>

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