Re: AW: Lambda LSP Forwarding Adjacency Doubt

["manoj juneja" <manojkumarjuneja@hotmail.com>]

Hi Juergen,
            The interface Id will be of forwarding adjacency (lambda 
Interface id). I have a doubt in label allocation. What label the node D 
will send to node A ?

Regards,
manoj.


>From: "Juergen Heiles" <juergen.heiles@icn.siemens.de>
>To: "'manoj juneja'" <manojkumarjuneja@hotmail.com>, 
><D.Basak@Accelight.com>
>CC: <ccamp@ops.ietf.org>
>Subject: AW: Lambda LSP Forwarding Adjacency Doubt
>Date: Wed, 5 Dec 2001 10:18:49 +0100
>
>For a TDM service you have to consider the specific signal format, for
>example SDH or G.709 ODU.
>I ncase of SDH each LSP (e.g. VC-4, VC-12) has a unique SUKLM numbering in
>the lable in additon to the interface ID. If nodes A and D include TDM and
>lambda switches the STM-N signal is no longer a interface (instead the WDM
>signal is the interface), so I would assume that the ID of the lambda 
>FA-LSP
>replaces the interface ID.
>
>Juergen
>
> > -----Ursprüngliche Nachricht-----
> > Von: manoj juneja [mailto:manojkumarjuneja@hotmail.com]
> > Gesendet: Mittwoch, 5. Dezember 2001 00:24
> > An: D.Basak@Accelight.com
> > Cc: ccamp@ops.ietf.org
> > Betreff: RE: Lambda LSP Forwarding Adjacency Doubt
> >
> >
> > Hi Debashis,
> >             In my example, A and D nodes are TDM and lambda switch
> > capable but nodes B and C are lambda switch capable. I want to tunnel
> > TDM LSP through the lambda LSP (established earlier and
> > advertised as a
> > FA). My question was how the label allocation be done at node
> > D ? Is it
> > that for all the incoming TDM LSPs requests that need to be tunneled
> > through same lambda FA-LSP be assigned the same label at node D and
> > sent bck to node A in RESV message ? If no, then how to assign the
> > different labels to different LSPs that are to be tunneled through the
> > same lambda FA-LSP.
> >
> > I think u are describing the case of how to tunnel LOVC LSP
> > in HOVC LSP
> > (HOVC LSP advertised as FA).
> >
> > Regards,
> > manoj.
> >
> >
> > >From: "Basak, Debashis" <D.Basak@Accelight.com>
> > >To: 'manoj juneja' <manojkumarjuneja@hotmail.com>
> > >CC: "'ccamp@ops.ietf.org'" <ccamp@ops.ietf.org>
> > >Subject: RE: Lambda LSP Forwarding Adjacency Doubt
> > >Date: Tue, 4 Dec 2001 17:55:26 -0500
> > >
> > >Manoj,
> > >
> > >The end points of the lambdapath in your example, nodes A to
> > D, are capable
> > >of  establishing TDM services through it. Its probably
> > better referred as a
> > >TDM-FA, basically you have created a new TDM link between A
> > and D. For
> > >establishing TDM services on the new link, A and D in your
> > example should
> > >have a signaling peer relationship setup for the link.
> > Further TDM services
> > >would be set up as you would over any TDM link, by
> > exchanging TDM labels.
> > >
> > >-Debashis
> > >
> > >Accelight Networks
> > >
> > >
> > >-----Original Message-----
> > >From: manoj juneja [mailto:manojkumarjuneja@hotmail.com]
> > >Sent: Tuesday, December 04, 2001 3:24 PM
> > >To: ccamp@ops.ietf.org
> > >Subject: Lambda LSP Forwarding Adjacency Doubt
> > >
> > >
> > >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 ?
> > >
> > >Please help.
> > >
> > >Regards,
> > >manoj.
> > >
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>


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