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- -- Gian Constantine <constantinegi@corp.earthlink.net> wrote:

>The available address space for multicast in IPv4 is limited. IPv6 vastly
>expands this space. And here, I may have been guilty of putting the cart
>before the horse. Inter-AS multicast does not exist today because the
>motivators are not there. It is absolutely possible, but providers have to
>want to do it. Consumers need to see some benefit from it. Again, the
>benefit needs to be seen by a large market. Providers make decisions in
>the interest of their bottom line. A niche service is not a motivator for
>inter-AS multicast. If demand for variety in service provider selection
>grows with the proliferation of IPTV, we may see the required motivation
>for inter-AS multicast, which places us in a position moving to the large
>multicast space available in IPv6.  
>

I don't think I'd be hanging my hat on IPv6 operational frobs at
this moment in time.

But that's just me. :-)

$.02,

- - ferg

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--
"Fergie", a.k.a. Paul Ferguson
 Engineering Architecture for the Internet
 fergdawg(at)netzero.net
 ferg's tech blog: http://fergdawg.blogspot.com/



