From: "Andrew de Quincey" <adq_dvb@xxxxxxxxxxxxx> >> I wonder if it would be possible to simple have some form of >> retransmission >> at the application level... I'll have a look at en50221. > Hmm, I've had a look. Unfortunately, even though the CAM control protocol > is > massively overdesigned for what is needed, it doesn't seem to provide any > support for error detection or retransmission of corrupt messages!! :( So again the question posed before: How the set-top folks do this that there are no visible problems? irk