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Re: [mpls] Fast Reroute for Node Protection in LDP-based LSPs

Stewart Bryant <stewart.bryant@gmail.com> Wed, 07 December 2016 11:06 UTC

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References: <D46B0792.DB8E0%sesale@juniper.net> <03cfb8de-649d-9f26-01f1-a5f1a8181e9b@gredler.at>
From: Stewart Bryant <stewart.bryant@gmail.com>
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Date: Wed, 07 Dec 2016 11:06:14 +0000
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Subject: Re: [mpls] Fast Reroute for Node Protection in LDP-based LSPs
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On 06/12/2016 11:17, Hannes Gredler wrote:
> hi santosh,
>
> just curious why the proposed solution is constrained to only use LDP ?
>
> IMO what you have suggested here would just fit nicely for protecting
> segment-routing node labels as well. segment routing node-labels are
> "calculated" in a similar fashion than LDP labels as such my guess would
> be that this solution applies to SR node labels as well.
>
> suggest to generalize it to:
> "Fast Reroute for Node Protection in hop-by-hop based LSPs"

Yes, but I think the authors need to look at what has already been 
written on
this and build on it rather than staring from scratch. There are a lot of
problems that you discover on the way to a solution.

- Stewart

>
> thanks,
>
> /hannes
>
>
> On 12/5/16 20:59, Santosh Esale wrote:
>> Hello Everyone,
>>                             We have presented the draft
>> - draft-esale-mpls-ldp-node-frr – in
>> MPLS working group in three IETF meetings including the latest one at Seul.
>> However, as the draft is of interest to routing working too, we are
>> initiating this
>> thread to solicit feedbacks from the routing working group. Please let
>> us know
>> your comments.
>>
>> Presentations -
>> https://www.ietf.org/proceedings/93/slides/slides-93-mpls-3.pdf
>> https://www.ietf.org/proceedings/94/slides/slides-94-mpls-3.pptx
>> https://www.ietf.org/proceedings/97/slides/slides-97-mpls-08-ti-frr-ietf-97-00.pptx
>>
>> Thanks,
>> Santosh (on behalf of authors)
>>
>>
>> _______________________________________________
>> rtgwg mailing list
>> rtgwg@ietf.org
>> https://www.ietf.org/mailman/listinfo/rtgwg
>>
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