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Improving video quality over encrypted airwaves

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Last Modified: 2012-05-10
I need some tips on how to improve the quality of my streaming video over my satellite internet link.  I can put up with the propagation delay (can be up to two seconds) because I only care about one-way transit.  I am sending it over the internet and am encrypting (IPSEC) the signal.  Bandwidth is about 400K.  I am using VLC but I've tried it with other media and still get a blurry picture that has peaks and valleys as far as the quality goes.  It is a high end camera that is being used.  I've adjusted the bandwidth and frame rate and even the MTU setting of the IP packet and haven't seen much change.  I am using Cisco at both ends of the IPSEC tunnel that I'm sending the streaming video thru.  There is very little traffic otherwise at the two ends.  Since it is going over the internet, I don't think applying QOS in the Cisco devices would help -or I could be wrong.
Can someone give me some other methods to try to improve my video quality?  Or is this as good as it gets?
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