Re: [PWE3] PWE Service interworking

[Mark Seery <mark@mseery.com>]

Hi Eric,

--- Eric Rosen <erosen@cisco.com> wrote:
> 
> MS=> Well there is this emerging thing called
> Ethernet;
> 
> True,  but  there  is  no  service interworking 
> between  ethernet  and  p2p
> technologies.   

Challenging to be sure......

I don't think it is the broadcast vs P2P that is the
problem so much (VPLS for example), but it is really
the CNLS addressing vs CO addressing (not even a VLAN
tagged Ethernet frame ultimately uses a CNLS address)

If the P2P technology is carrying an Ethernet frame
then something can be made to work. If not, then
translating a DLCI/VC to a DA/SA MAC pair would
undoubtely be quite a challenge; unless there is a
router on each end.

> I don't  know whether there's an  ATM-TDM
> interworking issue or  not, but if
> there is, we can be pretty sure  that our TDM
> sub-group would never agree on
> what needs to be done ;-)

Not touching that one ;-)

Mark 

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