Re: [WIRELESS-LAN] Desktop projection to classroom display

[Julian Y Koh]

On Wed Oct 28 2015 19:26:05 CDT, Justin Dover  wrote:
> 
> IT does require a good wireless network because WiDi piggy backs on your 
> wireless routers.

??  Maybe I'm not understanding things, but I thought that WiDi didn't use your 
Wi-Fi access points.


 talks about how WiDi was designed to avoid overlap with enterprise wireless 
network channel usage by avoiding the DFS channels at least, but it still 
doesn't prevent random users from setting these things up and inadvertently 
setting them to a non-DFS channel that is already in use.


-- 
Julian Y. Koh
Associate Director, Telecommunications and Network Services
Northwestern Information Technology

2001 Sheridan Road #G-166
Evanston, IL 60208
847-467-5780
NUIT Web Site: 
PGP Public Key:

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Participation and subscription information for this EDUCAUSE Constituent Group 
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Re: [WIRELESS-LAN] Desktop projection to classroom display

[Justin Dover]

It does but not directly.  It also depends on the clients WiFi card.  If it
is dual channel card then one channel will be for WLAN and one channel will
be for WiDi.  But only the devices in the last year or two have dual
channel cards.  So most devices piggy back on the WLAN with their single
channel cards.  This can be a problem though if a client gets associated
with a different access point in the middle of a WiDi session.

Justin Dover
On Oct 29, 2015 6:40 AM, "Julian Y Koh"  wrote:

> On Wed Oct 28 2015 19:26:05 CDT, Justin Dover 
> wrote:
> >
> > IT does require a good wireless network because WiDi piggy backs on your
> wireless routers.
>
> ??  Maybe I'm not understanding things, but I thought that WiDi didn't use
> your Wi-Fi access points.
>
> <
> https://www-ssl.intel.com/content/dam/www/public/us/en/documents/white-papers/pro-wireless-display-white-paper.pdf>
> talks about how WiDi was designed to avoid overlap with enterprise wireless
> network channel usage by avoiding the DFS channels at least, but it still
> doesn't prevent random users from setting these things up and inadvertently
> setting them to a non-DFS channel that is already in use.
>
>
> --
> Julian Y. Koh
> Associate Director, Telecommunications and Network Services
> Northwestern Information Technology
>
> 2001 Sheridan Road #G-166
> Evanston, IL 60208
> 847-467-5780
> NUIT Web Site: 
> PGP Public Key:
>
> **
> Participation and subscription information for this EDUCAUSE Constituent
> Group discussion list can be found at http://www.educause.edu/groups/.
>

**
Participation and subscription information for this EDUCAUSE Constituent Group 
discussion list can be found at http://www.educause.edu/groups/.