Re: [mpls] entropy label indicator label indraft-kompella-mpls-entropy-label

  John

Why do you prefer to use an ELI as opposed to using a new set of FECs 
with the property that they are followed by an EL?

Stewart

On 27/07/2010 14:31, John E Drake wrote:
>
> Lucy,
>
> Yes it does.  That is the whole point.  That is how the egress knows 
> whether the ingress has placed an entropy label in the stack.  (That 
> is why we termed it the 'Entropy Label Indicator'.)
>
> Thanks,
>
> John
>
> *From:* Yong Lucy [mailto:lucyyong@huawei.com]
> *Sent:* Tuesday, July 27, 2010 6:25 AM
> *To:* John E Drake; Kireeti Kompella; 'Shane Amante'; mpls@ietf.org
> *Subject:* RE: [mpls] entropy label indicator label 
> indraft-kompella-mpls-entropy-label
>
> What is the benefit for such control? Egress LSR does not use this value.
>
> Lucy
>
> ------------------------------------------------------------------------
>
> *From:* John E Drake [mailto:jdrake@juniper.net]
> *Sent:* Tuesday, July 27, 2010 8:10 AM
> *To:* Yong Lucy; Kireeti Kompella; 'Shane Amante'; mpls@ietf.org
> *Subject:* RE: [mpls] entropy label indicator label 
> indraft-kompella-mpls-entropy-label
>
> Lucy, we discussed this and decided it was better to have the egress 
> control the values of the ELI it advertises.  Plus, getting a reserved 
> value would be difficult
>
> *From:* mpls-bounces@ietf.org [mailto:mpls-bounces@ietf.org] *On 
> Behalf Of *Yong Lucy
> *Sent:* Tuesday, July 27, 2010 5:31 AM
> *To:* Kireeti Kompella; 'Shane Amante'; mpls@ietf.org
> *Subject:* [mpls] entropy label indicator label in 
> draft-kompella-mpls-entropy-label
>
> Hi Kireeti and Shane,
>
> Could we consider use one of reserved label for ELI purpose? This will 
> make implementation much easy, i.e. not need to keep the state for 
> each ELI label. The approach can be used in general for RSVP-TE and 
> BGP as well.
>
> Regards,
>
> Lucy
>
>
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