Re: Lambda LSP Forwarding Adjacency Doubt

[Yangguang Xu <xuyg@lucent.com>]

manoj,

> > >Hi All,
> > >         If there are 4 nodes say A, B, C and D. There is a Lambda FA
> > >established from A to D and if a new TDM LSP request comes to node A
> > >which is to be tunneled through the already established lambda FA-LSP
> > >then the node A sends the Path/label request message directly to node
> > >D. What label the node D will send back to node A in the RESV/label
> > >mapping message since the FA-LSP is just one label (lambda) ? Does it
> > >mean that all the LSPs which are tunneled through the lambda FA-LSP
> > >will be allocated the same label by node D to node A ?
> > >

In this case A and D are neighbors in the TDM network. So A and D need to build
up TDM label mapping table between them over the new interfaces connected
through the Lambda FA-LSP. The TDM labels are at a different space from the
Lambda labels. They are at different logical layers.

Regards,

Yangguang