[opendtv] Re: Execs see challenges bringing Net video to TV
- From: "John Willkie" <johnwillkie@xxxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Thu, 25 Sep 2008 20:02:56 -0700
So, if you wanted to watch 1 stream and record 4 at the same time (like you
can do with AT&T u-verse ...?
John Willkie
-----Mensaje original-----
De: opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx] En
nombre de Tom Barry
Enviado el: Thursday, September 25, 2008 7:33 PM
Para: opendtv@xxxxxxxxxxxxx
Asunto: [opendtv] Re: Execs see challenges bringing Net video to TV
OTOH, if it was real time and everybody watched it the same time in 8
mbps AVC then they would only have to make multicasting work. Five major
networks could be pushed for a total of only 40 mbps to the whole
neighborhood.
Other stations would still have to be pull and limited distribution.
Of course nobody really seems to want to make multicasting work.
- Tom
John Shutt wrote:
> Hmm, let's see. An HD program gobbles up, let's say 16 Mbps. 100
> viewers want to watch the same program, but the start times are
> staggered by just a few minutes, so that each viewer gets his/her own
> unicast stream. That's roughly 1.6 Gigabits of traffic to serve 100
> viewers. I don't think that even the Verizon FIOS backbone would
> survive that.
>
> Nope. TiVo, or this article's NetFlix cache box is still safe. The
> only way that Verizon FIOS works is with multicasting, which is the IP
> equivalent of OTA broadcasting.
>
> John
>
> ----- Original Message ----- From: "Manfredi, Albert E"
> <albert.e.manfredi@xxxxxxxxxx>
>
>> If the networks make all of their shows available online, say 30 minutes
>> after the show was aired, and if the ISPs' core nets can handle the
>> demand without too many glitches, pretty soon it makes one wonder why
>> the networks need to depend on broadcasters and MVPDs. All they need is
>> ISPs.
>
>
>
>
>
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