Re: [newtech-1] Barclays wifi

[Joly MacFie <joly () punkcast com>]

One can only speculate on bandwidth, but a further source reveals that they
are using "multicast wi-fi"

http://www.theverge.com/2013/2/20/4006836/barclays-center-app-replays-smartphone

It's all powered by Cisco's new StadiumVision Mobile, which reps compared
> to how cable is delivered to your TV: instead of everyone having to crowd
> onto a single connection, the "multicast" connection splits the feed and
> delivers the same thing individually to everyone. That means my stream is
> the same whether I'm alone in the stadium or surrounded by 19,000 other
> Nets fans. In practice, it works remarkably well — I didn't get a chance to
> test it with 19,000 people, but even in a quickly-filling arena my stream
> never slowed or broke. I switched between a game feed and a stationary
> camera above the rim, and jumping back into a replay worked seamlessly.


The stream is delayed about two seconds from the game itself, which for
> replays is actually perfect — by the time you look down the play's
> happening again. It does make it impossible to listen to the TV feed's
> announcers, though, since they're always slightly behind the game as it
> unfolds.



On Wed, Aug 28, 2013 at 1:54 AM, Warren Bailey <
wbailey () satelliteintelligencegroup com> wrote:

>  Any idea of the data rate required per stream?
>
>
>  Sent from my Mobile Device.
>
>
>
> -------- Original message --------
> From: Joly MacFie <joly () punkcast com>
> Date: 08/27/2013 8:14 PM (GMT-08:00)
> To: North American Network Operators Group <nanog () nanog org>
> Subject: Fwd: [newtech-1] Barclays wifi
>
>
>  From the NY tech meetup list. Any one here care to comment, off or on
> list?
>
> j
>
> ---------- Forwarded message ----------
> From: Dean Collins
>
> Anyone know more about Barclay Wifi -
>
> http://www.fastcompany.com/3007452/innovation-agents/brooklyn-nets-barclays-center-slam-cam-puts-every-dunk-your-face
>  ****
>
> ** **
>
>
> Can they really stream hidef video to 19,000 devices simultaneously in hd
> via wifi?
>
> Surely they are hitting some spatial limits…..?   (eg I know when my old
> company sold a DECT platform to the ASX we ran into bandwidth limits for
> the number of base stations in a single room)****
>
> ** **
>
> ** **
>
> ** **
>
> Cheers,****
>
> Dean****
>
> ** **
>
>
>
>
>
>
>
> --
> ---------------------------------------------------------------
> Joly MacFie  218 565 9365 Skype:punkcast
> WWWhatsup NYC - http://wwwhatsup.com
>  http://pinstand.com - http://punkcast.com
>  VP (Admin) - ISOC-NY - http://isoc-ny.org
> --------------------------------------------------------------
> -



-- 
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Joly MacFie  218 565 9365 Skype:punkcast
WWWhatsup NYC - http://wwwhatsup.com
 http://pinstand.com - http://punkcast.com
 VP (Admin) - ISOC-NY - http://isoc-ny.org
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-