The MPLS WG Archive

[Bora Akyol <akyol@pluris.com>]

Yakov,

It is a well known fact at this point we can make IP lookups as fast we can
do MPLS lookups.

So the lookup speed advantage of MPLS does not exist anymore which I believe
was the point that was being raised.

Bora (just catching up with my old mail)


> -----Original Message-----
> From: Yakov Rekhter [mailto:yakov@cisco.com]
> Sent: Monday, May 29, 2000 4:14 AM
> To: smd@ebone.net
> Cc: mpls@UU.NET
> Subject: Re: MPLS Performance analysis..... 
> 
> 
> Sean,
>  
> > Several people write:
> > 
> > > [lots of commentary about how wonderful MPLS is at making 
> forwarding fast]
> > 
> > You are analysing the performance of MPLS using the wrong metric.
> > I think MPLS performs exactly as intended.
> > Ipsilon basically died, and not even Nokia could revive it.
> > UUNET found a new layer-2 religion, essentially killing 
> backbone ATM.
> > Many companies are distracted from actually learning how to 
> do IP routing.
> 
> Of course, for some folks the *one and only* way to move data is by
> looking at the IP header, and executing the longest match algorithm on
> the destination address in that header (aka "destination based
> routing"). Anything else (e.g., MPLS), *regardless* of its pragmatic
> value, is viewed as "religion", "distraction", etc... 
> 
> Yakov.
>