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TE Extension of IGP

  • From: "Indra.Widjaja" <Indra.Widjaja@tddny.fujitsu.com>
  • Date: Fri, 21 Apr 2000 09:50:52 -0400
  • CC: HANSEN CHAN <hchan@newbridge.com>, mpls@UU.NET

Bora Akyol wrote:

> On the contrary,
>
> The IGP extensions are needed because most protection LSP calculation
> happens on box and most vendors support automatic routing of LSPs.

Actually, if you compute your working LSP offline, you would generally
prefer
to also compute the corresponding protection LSP offline, except for
local repair.

indra

>
>
> Bora Akyol
>
> At 01:59 PM 4/20/00 -0400, you wrote:
> >I am trying to understanding the use of TE extension of IGP in a MPLS
> >network. From my understanding, you need TE extension when you're doing
> >on-node path computation. However, since LSPs in today's MPLS network
> >are usually computed off-node (in software tool), why would the use of
> >TE extension be critical?
> >
> >Appreciate if someone can shed some light on this question.
> >
> >Thanks,
> >Hansen
> >