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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: death of the net predicted by deloitte -- film at 11
On Mon, 12 Feb 2007, Hank Nussbacher wrote: > > At 10:02 PM 11-02-07 -0500, Daniel Senie wrote: > > > > >IP Multicast as a solution to video distribution is a non-starter. IP > >Multicast for the wide area is a failure. It assumes large numbers of > >people will watch the same content at the same time. The usage model that > >could work for it most mimics the broadcast environment before cable TV, > >when there were anywhere from three to ten channels to choose from, and > >everyone watched one of those. That model has not made sense in a long > >time. The proponents of IP Multicast seem to have failed to notice this. > > I never quite understood why layered multicast never took off which would > solved the problems you state above. There have been so many research > papers on the subject from the late 90s that I would have thought that by > now IPmc would be the silver bullet for video distribution. Inside an organization? Most likely. Hotels could use it, as one example. Also, I don't see why ISPs couldn't group users who use this service together. Still, not that simple and may become impractical by the time we actually need it on a wide scale. > > -Hank >
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