[streaming] Re: Listing Multicast clients !

[Rémi Denis-Courmont]

Le Jeudi 15 Décembre 2005 19:03, Romuald CARI a écrit :
> I'm currently trying to do some statistics about the
> streams that my server multicasts over my network.
> The most important thing for me is to count how many people are in a
> precise multicast group, watching the video stream that is sent to
> them.

That doesn't work for Windows computers at least - they don't reply to 
multicast echo requests.

> Is there a way, already implemented in IP protocol to ping the 
> clients of a group ?

No, not that I know.

> If this does not exist, is VLC able to answer to some special
> datagrams sent in the multicast group that it is currently listening
> to ?

I suppose that would be outside the scope of the RTP implementation, by 
the way. The best way to got these statistics is to poll your routers 
for IGMP membership via SNMP regularly.

-- 
Rémi Denis-Courmont
http://www.simphalempin.com/home/
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