http://www.kontiki.com is the company the BBX and AOL are using to
implement their P2P based media distribution network.
Opensource alternatives exist but are not as developed - google p2p
streaming for more info.
On 11/18/05, Mark Fallu <email@hidden> wrote:
> Sounds like you need to be investigating some of the peer to peer
> options that are floating about, or investigate some of the edge
> network stuff.
>
> Multicast is generally restricted to individual networks - like in a
> work place or a university campus - or even content offered by an
> individual ISP.
>
> The BBC is currently using peer to peer streaming to do their new
> media distribution networks.
>
> If you cant use p2p and cant afford the bandwidth you are currently
> using - then it would sound like you:
> a) have to convince them their demands are unreasonable (hard if you
> just convinced them to give you the job and you didn't mention the
> difficulty at the time)
> b) have to investigate purchasing cheap bandwidth from streaming
> company / edge network (akami etc)
> c) Compress the hell out of the content or find other ways to limit
> the bandwidth.
>
> Option C is where you have the most control.
>
> Without knowing the specifics of the type of audio video you are
> dealing with it is impossible to make recommendations on how best to
> compress your video. But if you are currently just using standard
> settings - and all you are broadcasting is a talking head at a
> shareholders meeting - then you can probably choose settings that are
> more appropriate to that situation and that will save heaps of
> bandwidth compared to full screen h264 2 30 fps.
>
> Best of luck.
>
> On 11/18/05, Marshall Eubanks <email@hidden> wrote:
> > I maintain a multicast FAQ at
> >
> > http://www.multicasttech.com/faq .
> >
> > Multicast is generally not available on the commodity Internet; it's
> > easy to
> > set up relays with Darwin. To say much more would require more details.
> >
> > Regards
> > Marshall Eubanks
> >
> > On Nov 17, 2005, at 11:13 AM, Graham Anderson wrote:
> >
> > > I just to took a gig where word-wide large scale rtsp is going to
> > > be a big part of the job.
> > > For them, unicasting has not been up to the task of their very
> > > large audience.
> > > Up to this point, peak rates are too high for them to manage.
> > > Wonderfully, they are blaming QuickTime for this. Guess a scapegoat
> > > was needed.
> > >
> > > So, is there a really good nuts and bolts primer on multicasting/
> > > reflection or decent alternatives ?
> > > Sending one stream out to 10-11 servers which reflects/tunnels the
> > > stream to audiences in different geographic locations SOUNDS like
> > > a good idea.
> > > Is it not ?
> > >
> > > Other 'starter' questions include:
> > > feasability of large scale rtsp... like managing client expectations,
> > > sufficient a/v codecs to use,
> > > reasonable bit rates of these codecs,
> > > the server code syntax of the 'sdp' files, and other file formats
> > > streaming servers to use: like Darwin vs Helix vs ???
> > >
> > > I prefer open source IF it works :)
> > >
> > > Be great to stream two formats: one stream for Real and QT, and
> > > another stream for WMP
> > > Pie in the sky, would love to stream one
> > > format....but ...well...that's pretty unrealistic ;)
> > >
> > > I do not expect someone/anyone to respond to all of this....just
> > > start a dialog and point me in a solid direction :)
> > >
> > >
> > > many thanks
> > > g
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