Accessing NVR camera over ppp interface

HI All,
        I have connected the NVR, PC and the ATMEL board in a router, and router to public n/w ,i am able to get web server and live streaming by VLC player in same n/w (172.20.18.*).  I am using the ATMEL board as a routing device.  
 
         I have set bit rate and frame per seconds to their minimum values. I am using 3G sim in ATMEL side.
When I am trying to access web server and the live streaming over ppp interface(port forwarding in ATMEL),
hardly I am getting video frames, (here i am using public Ip for pc, and for ATMEL ppp ip, and NVR is connected to ATMEL)
        I have attached my iptable rules below.
How can I improve my quality of service.
 
Any help will be appreciated.
Thanks.
prityaa sutarAsked:
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Davis McCarnOwnerCommented:
What you are trying to do is dependent on what your outbound transfer speed is and that is often a small fraction of your inbound speed.
Run the test at http://www.speedtest.net/ (Begin Test button) to get your real speeds and, if you care to, run it several times to see if your speed fluctuates.
Then, as a general rule, anything slower than one Mbps is too slow for most streaming video and all you can do to help matters is to lower the resolution of the stream.  320X240 needs 1/4 the bandwidth of 640X480, for example.
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masnrockCommented:
Honestly, you shouldn't try to stream video over a 3G connection. You could try to see if you can use a different codec for your video, but that is going to be very limited in helping the issue.

Also, is your Internet connection reliable?
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prityaa sutarAuthor Commented:
thnx for your reply. We will do further investigation as you suggested  ans let you know .
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masnrockCommented:
Best answer given information provided
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