RE: [Fwd: local device discovery - api, demo and source code]

While DLNA guidelines for the use of UPnP are not free, the underlying UPnP specs are and available here www.upnp.org.

Bob Lund 

> -----Original Message-----
> From: public-web-and-tv-request@w3.org [mailto:public-web-and-tv-
> request@w3.org] On Behalf Of Alexander Adolf
> Sent: Thursday, April 14, 2011 6:12 AM
> To: W3C Web+TV IG
> Subject: Re: [Fwd: local device discovery - api, demo and source code]
> 
> Dear Colleagues,
> 
> On 2011-04-13, at 15:34 , Dave Raggett wrote:
> 
> > On Wed, 2011-04-13 at 15:08 +0200, Jean-Claude Dufourd wrote:
> >> On 12/4/11 17:17 , Dave Raggett wrote:
> >>> Forwarding at Francois's suggestion.
> >>>
> >>> (see also the W3C blog entry).
> >>
> >> JCD: Thank you for the information. This triggers many questions.
> >> - in your list of discovery technologies, why no UPnP ?
> >
> > The discovery protocol for UPnP *is* SSDP, which is covered. It uses a
> > combination of a multicast search probe, unicast responses, and
> > multicast notifications.
> > [...]
> 
> DVB uses UPnP as defined by DLNA. Device discovery is using UPnP DCP and
> CDS advertisements. Overview is here:
> http://www.etsi.org/deliver/etsi_ts/102900_102999/102905/01.01.01_60/ts_
> 102905v010101p.pdf
> 
> Unfortunately the DLNA specs are not available for free, so I can't
> provide any. *Very* terse info on discovery here:
> http://www.dlna.org/industry/why_dlna/key_components/device_discovery/
> 
>   --alex