Re: RV: LATENCY PROBLEMS

Linux Advanced Routing and Traffic Control

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Am Friday 14 May 2004 23:59 schrieb Jason Boxman:
> > Anyway - even if I weren't using IPP2P, P2P traffic wouldn't really
> > matter since I put all traffic into user classes. So the only person
> > who's suffering would be the P2P user. And I don't really care about
> > that. ;-)
>
> Interesting.  How did you accomplish that?

It's nothing special. Each user gets his/her own HTB class. No matter what 
kind of traffic the user generates (Interactive, P2P, ...), it shouldn't 
affect the other users. This works well in small networks. It wouldn't 
work well if I had to create 500 classes for a ADSL line, because the 
guaranteed rates per user would be too low.

> So right now each user is getting a prio disc?

It looks like this:
http://www.metamorpher.de/files/fairnat_ipp2p.png
(warning, big image: ~5000x2000 pixels)
Blue = qdisc, Green = class; Blue arrow = filter.

Please note that 1:3 is a class for local LAN traffic. 
The other are user classes.

Every user gets a prio qdisc with 4 bands (4th band for P2P, everything 
else gets classified by the TOS priomap). The prio leafs get SFQ on top.
Don't know if that actually makes sense, but it works well for me.

Andreas
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