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MPLS Performance analysis.....

  • From: Greg Mirsky <gmirsky@nexabit.com>
  • Date: Wed, 31 May 2000 09:04:45 -0400

David,
complicated not necessarily means slow. It's doable and it's done.

	Regards,
		Greg

> -----Original Message-----
> From:	David Charlap [SMTP:david.charlap@marconi.com]
> Sent:	Tuesday, May 30, 2000 6:52 PM
> To:	mpls@UU.NET
> Subject:	Re: MPLS Performance analysis.....
> 
> Curtis Villamizar wrote:
> > 
> > I was one of those people.  Doing the IP destination lookup is no
> > longer a limiting factor for modern routers.
> 
> Depends on the speed.  If you up the number and type of interfaces so
> that your fabric has to forward billions or trillions of packets per
> second, you will once again find differences in how the two forwarding
> engines (IP destination vs. label) perform.
> 
> Regardless of how fast the chips run, an IP best-match lookup is an
> inherently more complicated operation than the integer-matching lookup
> required by something that forwards based on label (or VC or DLC).
> 
> -- David