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Date:      Fri, 11 Sep 1998 12:07:47 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Andre Oppermann <oppermann@pipeline.ch>
Cc:        Dennis <dennis@etinc.com>, Mike Smith <mike@smith.net.au>, ulf@Alameda.net, hackers@FreeBSD.ORG
Subject:   Re: Packet/traffic shapper ? 
Message-ID:  <199809111907.MAA01017@dingo.cdrom.com>
In-Reply-To: Your message of "Fri, 11 Sep 1998 16:00:03 %2B0200." <35F92CE3.BC7AF153@pipeline.ch> 

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> > >> > What software solutions for FreeBSD do we currently have available ?
> > >>
> > >> The two best tools in this area at the moment are ALTQ and dummynet.
> > >> Searches on those two keywords should get you enough material to get
> > >> started out of the archives.  Both of the principal maintainers are
> > >> FreeBSD committers, and we're looking forward to seeing their work
> > >> enter the mainstream soon.
> > >
> > >Hurray!!! Will ALTQ be in 3.0-R?
> > 
> > I suppose that you mean "the 2 best free solutions"?

I actually meant the two best solutions.  8)

> What I look for is an alternative for the standard FIFO queueing
> currently done in the BSD IP stack. You might know that bandwidth
> is quite expensive here in Europe and I'd like to drive my links
> up to 90% utilization. That is only possible if I have something
> like RED that does fair queueing on the FreeBSD routers, otherwise
> one big FTP transfer can eat up most of the bandwidth.

You want ALTQ for this.

> FIFO in the IP stack is IMHO a really Bad Thing (TM) and should be
> replaced as soon as possible with RED or WFQ.

FIFO is actually not as evil as you make it out to be.  Any other 
policy is just as open to abuse and misperformance.  Note that you 
can't implement the queueing strategy just at the stack level; it has 
to go all the way down.

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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