Re: [OSPF] draft-ietf-ospf-segment-routing-extensions-03

Peter Psenak <ppsenak@cisco.com> Sun, 14 December 2014 10:38 UTC

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Date: Sun, 14 Dec 2014 11:37:57 +0100
From: Peter Psenak <ppsenak@cisco.com>
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To: Shraddha Hegde <shraddha@juniper.net>, "draft-ietf-ospf-segment-routing-extensions@tools.ietf.org" <draft-ietf-ospf-segment-routing-extensions@tools.ietf.org>
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Subject: Re: [OSPF] draft-ietf-ospf-segment-routing-extensions-03
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Shraddha,

the idea is that you can assign the same Adj-SID to multiple links. That 
way you can create multiple sets as you need.

thanks,
Peter


On 12/13/14 19:19 , Shraddha Hegde wrote:
> Authors,
>
>          When there are multiple parallel links between two nodes, it is
> useful to
>
> Group them into different bundles and use each bundle for load-balancing
>   for different traffic flows.
>
> What we have in adjacency sid is just a flag to indicate that the label
> is a “set label” by setting a flag
>
> In adj-sid TLV. It serves the purpose when all the parallel links  are
> in one bundle but not sufficient when
>
> There can be different bundles and different labels for each of them.
>
> An identifier for the group, probably “group-id” is needed to associate
> the label with the interface group.
>
> Any thoughts on this?
>
> Rgds
>
> Shraddha
>