The MPLS WG Archive

["HANSEN CHAN" <hchan@newbridge.com>]

Dan,

To make sure I understand. Do you mean the path of LSPs is computed on the
node, not by software tools?

Thanks,
Hansen

Daniel Awduche wrote:

> Actually, the original assertion/generalization is false
> (i.e. that "LSPs in today's MPLS network are usually computed
> off-node").
>
> Cheers,
> /Dan
>
> On Thu, Apr 20, 2000 at 02:08:22PM -0400, Anoop Ghanwani 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
> >                                                    ^^^^^^^^^^^^^^^^^^^^
> >
> > We're hoping it won't stay that way forever because it's limiting
> > to have to rely on offline tools for all traffic engineering :-)
> >
> > That means that traffic engineering would need to be more dynamic,
> > and the routers would play a more active role in determining paths
> > and possibly doing network optimization.  Hence the IGP extensions.
> >
> > > 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.
> >