[altq:1703] Re: PRIQ problem (fwd)

[Kenjiro Cho <kjc@csl.sony.co.jp>]

> Allright :-) i didn't do most important thing :-) here it is : i see barely
> no difference with altq or without altq .
> For example : normally ping to the next hop is about 7 -10 ms . During huge
> ftp transfers it raises to almost avg 200 ms without altq and to avg 110 ms
> with altq and what is important : without altq it is al the time 190 -200 ms
> and with altq it is from 40-150 ms .
> (icmp has higher priority than tcp )

I guess you need to change bandwidth to a slightly lower value to
minimize the delay (say, from 512k to 500k).

See Section 1.7.2 "Tuning a Token-Bucket Regulator to Minimize Delay"
of altq-3.1/docs/TIPS.txt or
http://www.csl.sony.co.jp/~kjc/software/TIPS.txt

-Kenjiro