On Thu, Sep 10, 2009 at 11:05 PM, Lee Sharp <leesharp at hal dash pc dot org> wrote:
>
>> It doesn't. The shaper can queue things in such a way that it will
>> slow downloads because of TCP's congestion control mechanisms. If you
>> can queue on both ends though, that's preferable. Most of the time
>> that isn't an option.
>
> And it really isn't absolutely necessary.

No, especially with faster connections, but with something as slow as
a T1 the serialization delay can create a decent amount of jitter
where a few large packets get into the queue ahead of high priority
traffic that you can avoid if you can prioritize on the remote end.