IPTV buffering

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On Thursday 2010-12-16 10:57, Jesper Dangaard Brouer wrote:

> [...] NetConf 2010, see:
>
> http://vger.kernel.org/netconf2010.html

I just went over a few slide sets, and noticed Dave's Netfilter summary 
about your IPTV talk, enlisting the point

 * Ethernet switches buffer too small

("too small".. "too few"?) Given the recent uproar about bufferbloat in 
routing devices (see LWN coverage about Getty's articles), wanting 
larger buffers seems to almost contradict what Getty would like.

Though TV is usually delivered via UDP rather than TCP, some of the 
protocols may too implement some sort of congestion recognition or 
even avoidance techniqueÂâ IIRC realplayer had something that 
adapted video quality based upon transfer rate.

Wanting more buffers vs. wanting less buffering seems to be quite 
contradictory. Jesper, what is your take on this?
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