The MPLS-OPS Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] RE: ATM Label stack processing
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.
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Javier Antich Romaguera
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> -----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?
>
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