[Icecast] Using Icecast relay function with dynamic IP at remote source end

Marvin Scholz epirat07 at gmail.com
Wed Apr 19 15:02:16 UTC 2017

On 19 Apr 2017, at 16:20, Jack Elliott wrote:

> For our community radio station's live music festivals broadcasts, we 
> set up a small broadcast studio at the festival's venue, and use 
> B.U.T.T. to send a stream to an Icecast server located at the radio 
> station's building.
> B.U.T.T.         ======= WAN =======>> ICECAST SERVER
> It's pretty reliable, though BUTT does sometimes lose connection, 
> probably due to network congestion.
> The folks on the Darkice listserv claim that using Icecast to do the 
> sending provides a more reliable connection. So I want to try this 
> idea:
> REMOTE LOCATION                                    STATION BUILDING
> B.U.T.T. --> Icecast on localhost  ==== WAN ====>> ICECAST SERVER

I am not sure how this could be more reliable than BUTT alone.

> I'm finding the terminology for setting up a relay (on 
> http://icecast.org/docs/icecast-2.4.0/config-file.html#relay) to be a 
> bit confusing and could use some help.
> I believe I want to set up a Specific Mountpoint Relay. It's where the 
> IP addresses get plugged in that I need some clarification. The IP 
> address for the building is static, but the IP address for the remote 
> server is unknown before every festival, and may be dynamic.
> The documentation says that for the <relay> section of the xml, we 
> have a <server></server> setting. And that is described as 
> "This is the IP for the server which contains the mountpoint to be 
> relayed."
> I can't tell whether the <relay? section is on the remote server, in 
> which case we only need to put the static IP of the building in the 
> <server> section, or whether the <relay> section is on the building's 
> server, in which case we need to know ahead of time what our remote IP 
> will be, and hope it doesn't change during the festival.
> I hope this question makes sense. My confusion is clearly because I am 
> unclear which server (remote or building) the <relay> section applies 
> to.
> -- 
> That Jack Elliott
> (541) 848 7021
> KPOV 88.9 FM High Desert Community radio
> Producer, The Wednesday Point
> Host, The Sunday Classics
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> Icecast at xiph.org
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