Re: htb3 & imq

Linux Advanced Routing and Traffic Control

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Arindam Haldar wrote:
> hi Alex,
> thanx so much.. :) .. thanx to all
> my IMQ &  htb3 test rules are working ok.. the best part--> imq handling 
> both  in & out traffic now.. :)

I also had this setup, and i also thought of it as a "cool thing" :)
but then Patrick told me, that it's not so clever: the incoming traffic 
must pass 2 qdiscs (interface-qdisc and imq-qdisc) and this is bad/not 
good because
1) cpu - overhead (but this could be negleted) AND
2) these 2 qdiscs COULD drop packets and no one would know of the other 
having dropped s.th. -> retransmit
ok. case 2 is not so realistic, as the qdisc on the interface normaly
is the qfifo but nevertheless point 1) and the possibility of 2) made me 
think that queing double unnecessary.
	

> 
> Alexey Talikov wrote:
> 
>> Hello Arindam,
>> See imq faq http://luxik.cdi.cz/~patrick/imq/faq.html
>> Saturday, August 10, 2002, 9:46:00 AM, you wrote:
>>
> 
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> 



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