This is a copy of a post I just put on chromecast thread but is relevant
here:


It is in response a post from ian_heys (in the UK)  stating that an
official BBCiiPlayer Android app stops every so often while playing live
streams whenplayed through Chromecast.
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Happy Christmas as well. The house is quiet so I can jot a few notes as
well.

Outside the UK on all the BBC DASH services national live servcies - I
have had problems with BBCiPlayer every so often a DNS error and stream
stops. 

To check was it an BBCiPlayer implementation issue I checked BBC live
streams playing DASH reference player (which is also used in CCA) and
using Chrome developer console noted latency (time between HTTP GET and
response) on BBC live services.

Most response time was about 150-200ms. However roughly within every
half hour there is a packet with a response time in seconds and then
range is between 2 secs and 2 mins !!. Here (Outside the UK) the
frequency of these "Long" response time varies throughout the day -
worse around 10am and also late even. The very long response time packet
(15secs or longer) can happen as often as 1 per hour but often 1 per
3-4hours. I suspect BBC knows this is a potential issue and why DASH has
not been announced.

I'm playing around with enabling cache and extending exipiry times to
minimise DNS issues, specifying longer timeout on DASH http/GET for
chunk to 30 secs and trying to increase amount of audio buffered in
player (e.g. 30 secs rather than 3-10 secs normal for live internet
radio) without a long startup time.


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