[j-nsp] policer useless

[Blaz Zupan]

>    I think the problem that Blaz is seeing has to do with the windows size
> and the burst-size being used.  I ran into this problem before and if I
> recall recorrectly, I was using a small burst burst-size close to the MTU
> which I think was 1500 which gave me poor results.  Noticing the window size
> being requested from the PC, what was occuring was that it was allowing the
> traffic to burst and then it would drop it.  It would then renegotiate the
> window size and would have to retransmit a lot of traffic over again.  This
> cause the performance to be very poor.  My solution was to increase the
> burst-size to atleast 10x the MTU to get the results that I was looking for,
> otherwise, I would see the same issues Blaz is seeing.  My 2 cents.

Actually, I tried with the burst-size set to 15000 (10x the MTU), 1m and some
other settings, but even with a very high burst-size (equaly to the
bandwidth-limit, for example), the result is not what I would expect.