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AW: AW: Lambda LSP Forwarding Adjacency Doubt



Manoj,

I made only a suggestion. As I am not so familiar with FAs may be others can comment.

Juergen

> -----Ursprüngliche Nachricht-----
> Von: manoj juneja [mailto:manojkumarjuneja@hotmail.com]
> Gesendet: Mittwoch, 5. Dezember 2001 19:51
> An: juergen.heiles@icn.siemens.de; D.Basak@Accelight.com
> Cc: ccamp@ops.ietf.org
> Betreff: Re: AW: Lambda LSP Forwarding Adjacency Doubt
> 
> 
> 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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