[LARTC] Need big buffer!

[Larry Brigman]

On 2/8/07, Bob Puff at NLE <bob at nleaudio.com> wrote:
> Hi gang,
>
> I have an application that is sending streaming media to a server.  The encoder computer sends an
> average of 200kbit stream; but for short, 1 second bursts, can hit 400-500kbits.  After it does one
> of these bursts, it reduces its output for another second or two, so that it maintains its average
> of 200kbits.
>
> The problem is that it is sending UDP packets into a DSL link that has a fixed upstream cap of
> 300kbit.  All is fine until it decides to burst, then I get dropped packets.
>
> Is there a way I can insert a linux box after the encoding machine that I can use some traffic
> shaping to:
>
> 1. Make sure it never sends more than 300k up (I do know how to do this now)
> 2. Make a big buffer so that I can still get all the data through the pipe, albeit with some delay,
> when these bursts happen.  I would need this buffer to handle at least 2 seconds worth, maybe more.
>
If you know how to do the 300k limit then using that same method add a
queue depth to handle the difference on that class.