The MPLS-OPS Archive

Cell Relay Retreat>MPLS-OPS Archive>month:2001-Jun> msg00365



[Date Prev][Date Next][Thread Prev][Thread Next]  
  [Date Index][Thread Index][Author Index][Subject Index]

RE: ATM Label stack processing

  • From: Javier Antich <javier.antich@telindus.es>
  • Date: Thu, 28 Jun 2001 15:53:07 +0200
  • Resent-Date: Thu, 28 Jun 2001 11:22:41 -0400
  • To: John Black <john_black66@hotmail.com>, mpls-ops@mplsrc.com
  • X-MIME-Autoconverted: from quoted-printable to 8bit by host.secure4-hosting.net id f5SDtls07818

If you are using TE for example with RSVP-TE, you can decide the path
end-to-end, no matter if in the middle there is a MPLS-ATM cloud. 


                                          ^   ^
==============ooo====(.)v(.)====ooo=====
Javier Antich Romaguera
Network Consultant
---------------------------------------------------------------------------
TELINDUS 
Pza. Ciudad de Viena, 6-2º
28040 Madrid 
---------------------------------------------------------------------------
javier.antich@telindus.es
tel: +34 91 456 00 08
fax: +34 91 536 10 74
---------------------------------------------------------------------------
For more information about our products and services,
please visit our website http://www.telindus.com
---------------------------------------------------------------------------
Full connectivity & mobility
==================ooo0===0ooo========



> -----Mensaje original-----
> De:	John Black [SMTP:john_black66@hotmail.com]
> Enviado el:	jueves 28 de junio de 2001 13:39
> Para:	javier.antich@telindus.es; mpls-ops@mplsrc.com
> Asunto:	RE: ATM Label stack processing
> 
> 
> 
> >
> >ATM-LSRs have routing intelligence, that it, they have IP addresses, run 
> >IGP
> >routing protocol (OSPF, ISIS) and run a label distribution protocol (i.e.
> >LDP). By means of the IGP and the Label Distributio Protocols they know
> >where to send each cell comming with a certain VPI/VCI pair, and swaping
> it
> >to which VPI/VCI pair. That is the only thing they do, no matter if there
> >are other labels inside the frame.
> >
> 1.Does it mean that i cannot perform source routing of ATM cells since
> ATM LER will compute the route over ATM cloud by itself?
> 2.What about seting up end-to-end TE tunnel?
> Will my RSVP-TE path msg end up at ingress ATM LER, which will initiate
> its 
> own TE setup over MPLS cloud that I cannot control?
> 
> _________________________________________________________________________
> Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

-------
The MPLS-OPS Mailing List
Subscribe/Unsubscribe:  http://www.mplsrc.com/mplsops.shtml
Archive: http://www.mplsrc.com/mpls-ops_archive.shtml