Re: RV: LATENCY PROBLEMS

Linux Advanced Routing and Traffic Control

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Am Friday 14 May 2004 21:06 schrieb Jason Boxman:
> Precisely.  I have mine limited to 8kbit on a 256kbit connection.  The
> HTB manual mentions some interesting results[1] when you mess with prio,
> though.

Yes, prio is very interesting... ;-)

> rebecca:~# cat /etc/l7-protocols/edonkey.pat
> ...
> ^[\xe3\xc5\xe5\xd4].?.?.?.? \
> ([\x01\x02\x05\x14\x15\x16\x18\x19\x1a\x1b\x1c\x20\x21\x32\x33\x34 \
> \x35\x46\x38\x40\x41\x42\x43\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f \
> \x50\x51\x52\x53\x54\x55\x56\x57\x58\x5b\x5c\x60\x81\x82\x90\x91\x93 \
> \x96\x97\x98\x99\x9a\x9b\x9c\x9e\xa0\xa1\xa2\xa3\xa4]| \
> \x59................?[ -~]|\x96....$)
> ...
> #ipp2p essentially uses "\xe3....\x47", which doesn't seem at all right
> to me. ...

It seems that you have done quite a research here.
You should definitely tell the IPP2P author about this.

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. ;-)

I'm not specially limiting P2P traffic either. I just put it into a fourth 
prio band of a prio qdisc, which works okay. Probably I should try 
creating two HTB classes per user instead. But this would mean having 3 
HTB classes per user (one user class, one default child, one p2p child) 
which is a bit much.

Andreas
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