North American Network Operators Group

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Re: death of the net predicted by deloitte -- film at 11

  • From: Gadi Evron
  • Date: Mon Feb 12 04:17:32 2007

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