[140925] in North American Network Operators' Group
Re: Netflix Is Eating Up More Of North America's Bandwidth Than Any
daemon@ATHENA.MIT.EDU (Jay Ashworth)
Wed May 25 10:20:13 2011
Date: Wed, 25 May 2011 10:15:08 -0400 (EDT)
From: Jay Ashworth <jra@baylink.com>
To: NANOG <nanog@nanog.org>
In-Reply-To: <201105250919.KAA10689@sunf10.rd.bbc.co.uk>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
----- Original Message -----
> From: "Brandon Butterworth" <brandon@rd.bbc.co.uk>
> > On the financial side, it is trivial.
>
> The opposite, the bits were paid for but unused back then so
> financially it was worth using them. In digital tv every bit has a use
> and so a cost, hence they are used for more TV channels instead for
> parasitic services. You end up competing with TV if you want any
> quantity so hard to make viable today.
>
> > On the engineering side, _impossible_.
>
> The opposite, completely trivial now. Digital TV is a mux of a number
> of bit streams, some with compressed video others with meta data for
> epg, alternate sound, interactive apps etc. Adding another stream to
> the mux is trivial, you just have to pay for the bandwidth though as
> most are stat muxed it's possible to create room at the expense of the
> vbr streams where the video encoders reduce the quality of as result
> of back pressure from the stat muxer
And sanction means both "approve of" and "order the death of" and academic
means both "very important learning-related" and "doesn't matter".
His assertion, Brandon, had to do with *whether you can still slip it in
without anyone noticing and having to do anything at any other stage of the
transmission chain*, which was Stargate's Unique Selling Proposition.
Yes, we know that its possible to move bits down a digital distribution
channel, Captain Obvious. :-)
Cheers,
- jra
--
Jay R. Ashworth Baylink jra@baylink.com
Designer The Things I Think RFC 2100
Ashworth & Associates http://baylink.pitas.com 2000 Land Rover DII
St Petersburg FL USA http://photo.imageinc.us +1 727 647 1274
