MacMinis + SL Server for Intranet live streaming ?

Hi,
is this asking for trouble (not enough horse power) or can the MacMini be used for a live stream into our intranet?
The documentation on this Apple site actually suggests a Macbook (for the Broadcaster) and a MacPro (as streaming server).
We will need to do this only, say, three times per year for 45 Minutes.
Signal will come via Firewire 400 from the camera.
Will two MacMinis be able to handle the load?
How many clients, do you think, can connect at the same time before we run into trouble?
Thanks for any friendly advice,
Barbara

There's a lot to consider when dealing with streaming.
If you're only streaming to the LAN then you might be able to use multicast, in which case this is a no-brainer - the server only sends out a single video stream to which all the clients subscribe (the heavy work is done by your network switches).
If, on the other hand, you can't use multicast, or if your 'intranet' really consists of multiple sites/locations then you need to consider bandwidth since that's likely to be your major bottleneck.
It really doesn't take much CPU to stream a connection (the hard work is in the encoding which is why Apple recommend a separate machine for encoding which passes the stream to another machine for distribution). I don't know what the hard limits are on a Mac Mini as the streamer but I wouldn't be surprised to see at least 100 clients on a reasonably-high quality stream. If you find it can't handle that (or you have way more clients) then QuickTime Streaming makes it easy to add additional streaming servers so all you need to do is balance your clients across the various streaming servers, making it easy to grow incrementally once you work out what your load is.

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