[Click] Traffic Shaping in Click
Roman Chertov
rchertov at cs.ucsb.edu
Mon Feb 9 13:51:38 EST 2009
Let me see if I get this straight:
Input 150 Mbps -> Queue -> Output 40 Mbps
There is no way to avoid packet loss here as the queue will eventually
overflow. 40/150 = 0.2666 meaning that .733333 of traffic will get
lost. That is similar to the 80% number that your observed. Large
queue can only help you to deal with a burst, but it will eventually
will overflow during a long enough burst.
Roman
Latency Buster wrote:
> Does irqbalance interfere with Click's packet forwarding performance?
> Using PollDevice() I am still getting extremely high packet loss
> rates. 80% loss at an input rate of 150Mbps with 40Mbps link shaping.
> I am currently invertigating and will throw more info as I gather
> stats.
>
> Thanks,
> LB
>
More information about the click
mailing list