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RE: Re: Layer 2 MPLS VPN

  • From: "McCallum, Robert" <robert.mccallum@thus.net>
  • Date: Tue, 18 Jan 2005 10:12:23 -0000
  • Cc: "'Irwin Lazar'" <ILazar@burtongroup.com>, raszuk@cisco.com, sthaug@nethelp.no, Andrew.Frazer@nz.unisys.com, mpls-ops@mplsrc.com
  • Resent-Date: Tue, 18 Jan 2005 06:58:21 -0500
  • X-SpamProbe: GOOD 0.0000000 5bd70012b4b3e8d4c92d2bb35c730607


> > > Irwin,
> > > 
> > > > The need for IP multicast, which is tough to do over a 2547 
> > > > service,

I don't think it is - we have three large customers using it - one for
broadcast radio and it works fine for me, is easy to implement and easy to
support.

> > > 
> > > Current IP multicast support in VPLS has its own set of problems, 
> > > mostly to do with the fact that it uses ingress 
> replication as the 
> > > only way to handle IP multicast.

Agreed - VPLS + Multicast, for me anyway, is an absolute no go area.  It
ends up 
just like a broadcast across the mpls network which is a definite no goer.

> > > This is not to say that the current support for IP 
> multicast in 2547 does not have its own problems - it does.

Care to expand on this cause I have no problems with the way it works.

Ta
> 

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