MPLS VPNs or not?

Kavi, Prabhu prabhu_kavi at tenornetworks.com
Wed Aug 8 16:53:58 UTC 2001


Absolutely right, which (along with TE on IP routers) is why
I think ATM has outlived its usefulness in the backbone 
of an ISP network.

Prabhu


> -----Original Message-----
> From: Travis Pugh [mailto:tdp at discombobulated.net]
> Sent: Wednesday, August 08, 2001 12:40 PM
> To: Kavi, Prabhu
> Cc: nanog at merit.edu
> Subject: Re: MPLS VPNs or not? 
> 
> 
> > At one time, UUNET's traffic was simply outrunning the
> > ability of L3 routers to keep up.  Their choices were to:
> 
> That does invite a companion observation: at one time, I 
> could reasonably
> guess that their traffic was outrunning the ability of Layer 
> 2 ATM switches
> to keep up, as ATM switch vendors have lagged well behind the 
> curve in OC48
> and OC192 trunk capability, and IP router vendors haven't 
> even put OC48 ATM
> linecards on the market.
> 
> -travis
> 
> 



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