[94854] in North American Network Operators' Group
Re: death of the net predicted by deloitte -- film at 11
daemon@ATHENA.MIT.EDU (Gadi Evron)
Mon Feb 12 04:06:48 2007
Date: Mon, 12 Feb 2007 02:40:25 -0600 (CST)
From: Gadi Evron <ge@linuxbox.org>
To: Hank Nussbacher <hank@efes.iucc.ac.il>
Cc: Daniel Senie <dts@senie.com>, Paul Vixie <paul@vix.com>,
nanog@merit.edu
In-Reply-To: <5.1.0.14.2.20070212095740.00ae60e0@efes.iucc.ac.il>
Errors-To: owner-nanog@merit.edu
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
>
