On Fri, 14 May 2010 13:10:32 -0700, Darren New wrote:

> Jim Henderson wrote:
>> Arguably, IP multicast (or broadcast for that matter) isn't point-to-
>> point.
> 
> Except that only works on a LAN. Otherwise, it's the routers duplicating
> the packets to every output. I.e., the same as conference calling.

Depends on how the router implements forwarding for multicast - ISTR that 
some routers can be configured to forward multicast traffic up to a 
specified TTL, but what's forwarded is still multicast traffic.

Jim

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