Packet loss with traffic shaper and routing

[tpeixoto at widesoft.com.br]

Interesting.
I'll try to take a look when I have some free time and then post some 
comments.

Thanks.


John-Mark Gurney wrote:
> tpeixoto at widesoft.com.br wrote this message on Wed, May 03, 2006 at 22:40 -0300:
>> Anyway, I am very curious about the result of test 2. Why do the pipes 
>> have influence on system performance if there is nothing passing through 
>> them?
> 
> It looks like each tick all the pipes are scanned...  In dummynet:
>     /* Sweep pipes trying to expire idle flow_queues. */
>     for (i = 0; i < HASHSIZE; i++)
>         SLIST_FOREACH(pipe, &pipehash[i], next)
> 
> That bit of code should probably be run less often...
>