FEC for getstream

Florian Lohoff f at zz.de
Thu Sep 30 16:38:26 CEST 2010


On Thu, Sep 30, 2010 at 04:05:37PM +0200, Denis Lackovic wrote:
> I believe this depends on the implementation. Almost certainly in
> large (expensive) IPTV installations VQE server is not listed in the
> SDP - because there is not just one VQE server (due to redundancy),
> and there are redundant receivers going into redundant encoders and
> then they go into (in some cases)  redundant streamers. They have
> existed  for a few years when you add your first bunch of VQE servers
> - which run independent on the rest of the hardware.
> 
> Probably configuration of which VQE servers are responsible for which
> channel streams is info transfered to STB during boot process
> (probably in proprietary way).

Which would be no problem - VQE is UDP based so one could easily use 
anycast to let the IGP decide which Server to use.

> I believe  STB buffer has to be big enough. I will have one of the
> implementations (Edgeware) on test next month, so then I wil be able
> to see how it's implemented.

The point is the delay - Buffer/Memory is not the problem but broadcast
delay. 

Flo
-- 
Florian Lohoff                                                 f at zz.de
                 Professionell gesehen bin ich zu haben ....
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