Re: A philosophical question about FA and FA-LSP

[Kireeti Kompella <kireeti@juniper.net>]

On Fri, 4 Mar 2005, Igor Bryskin wrote:

> I have a question to Kireti and Yakov.
...
> My question is:  can I draw a conclusion from the above that it is
> not required anymore for an FA to be advertised into the same
> instance of IGP-TE as was used for the advertising of the FA-LSP
> constituent TE links.

Correct -- LSPs created in IGP A can be advertised as TE links in IGP B.
This can be used (say) for inter-area signaling.

> In other words, if an LSP created by one instance of the control
> plane (say, L1VPN Provider) and advertised as a TE link into another
> instance of the control plane (say, VPN), would/should such TE link
> be treated anyhow different from the LSP advertised into the same
> instance of control plane.

The advertisement into the VPN control plane is just a TE link for the
VPN IGP-TE.

Kireeti.
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