--------------A13601EE668127045EA4C8DE Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit --------------A13601EE668127045EA4C8DE Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> <html> <body text="#000000" bgcolor="#FFFFFF" style="FONT-FAMILY: Arial"> <div VARIABLE WRAP>To minimize latency, (which is probably what you want for voip traffic), give the class a high priority.</div> <div VARIABLE WRAP>Make sure it never reaches its configured rate. If it does, you will see that the latency increases.</div> <div VARIABLE WRAP>If you think it might reach its configured rate, than use a policing filter before the class to place an upper limit on the rate.</div> <div VARIABLE WRAP>And, as Steph memtionned, a FIFO is a good thing. Just make sure it is big enough to handle your expected burst, but not too big because it could increase the latency.</div> <div VARIABLE WRAP></div> <p VARIABLE WRAP>Good luck, <div VARIABLE WRAP>Mathieu.</div> <blockquote TYPE=CITE> <div VARIABLE WRAP><br> > Yep i missunderstood the quantum concept (it´s clear<br> > now), but since my voip class was configured with<br> > enough bw this doesn´t matter<br> ><br> > Reading more on docum.org, i find hte possible cause<br> > of the delays i was using sfq (128p queue) on the leaf<br> > i removed sfq from the voip class<br> ><br> > I will try also with other disciplines.. like tbf<br> > just to have a deeper understanding of queuing in real<br> > life applications<br> Tbf will not change nything. Htb is acutally a tbf but with classes.<br> <br> > Are there any recomendation on which queuing<br> > discipline to use with voip?<br> > (my stats show 100 bytes per packet average in voip)<br> Why not a simple fifo? You can adapt the size of it from the command line.<br> <br> > i´m doing more tests now and i´ll re re-read the full<br> > lartc. doc<br> <BR></div> </blockquote> </body> </html> --------------A13601EE668127045EA4C8DE--
