RE: [PWE3] PWE3 question

[Sasha Vainshtein <Sasha@AXERRA.com>]

Eric and Shahram,
Please see a brief comment inline.

With best regards,
                                   Sasha Vainshtein
email:     sasha@axerra.com <mailto:sasha@axerra.com> 
tel:       +972-3-7659993 (office)
           +972-8-9254948 (res.)
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> -----Original Message-----
> From: Eric Rosen [mailto:erosen@cisco.com]
> Sent: Wednesday, May 15, 2002 11:51 PM
> To: Shahram Davari
> Cc: Rutemiller, John; 'pwe3@ietf.org'
> Subject: Re: [PWE3] PWE3 question 
> 
> 
> Shahram> 1) The penultimate hop may not be able to do PHP. 
> 
> Are you think  of ATM-LSRs?  If you're going  to use an ATM 
> VC  for each PW,
> why use MPLS at all?
> 
> Shahram> 2) Some view PHP as a bad architecture.
> 
> Oh, please.
> 
> Shahram> Why not make it simpler and not have any tunnel at all?
> 
> Having a different protocol for every different network 
> design isn't the way
> to make things simpler.  To make things simpler, you choose a 
> protocol which
> works reaonably well in all the cases, even if it is not 
> optimal for some of
> the cases. 
> 
Or even is not optimal for ANY of the cases. Having a single protocol
carries with it its own advantages, and a trade-off between these
and less than optimal coverage of any specific issue is
quite reasonable.
> 
> 
> 
> 
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