Hello list!
After playing around with mr. Alexey Kunetsov's ip/tc tools, I finaly got a few
working configs but 1 more thing remains and it is fair queueing. If I have
setup like that:
tc qdisc add dev $DEV root handle 200: cbq bandwidth 10Mbit avpkt 1000 cell 8
tc class add dev $DEV parent 200:0 classid 200:1 cbq \
bandwidth 10Mbit rate 128Kbit allot 1514 cell 8 weight 12 \
prio 8 maxburst 127 avpkt 1000 bounded isolated
Now I have a 128Kbit class with burst of 128(what? 128 packets,bytes?). So,
what is the queue discipline there? I mean what is default queue discipline? Is
cbq queueing discipline? And the most prefered question for me - what qdisc to
use for fair queueing under Linux? Taking a look at sch_sfq.c doesn't tell me
enough, except:
This is not the thing that is usually called (W)FQ nowadays.
- It is very cheap. Both CPU and memory requirements are minimal.
- "Stochastic" -> It is not 100% fair.
Also I can't understend the frase:
" We still need true WFQ for top level CSZ, but using WFQ for the best effort
traffic is absolutely pointless. "
Any points?
P.S. Exuse me for poor english
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Theodor Milkov http://www.zImage.DelBG.com
Davidov Electric Ltd. Phone: +359 2 736273
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