From owner-freebsd-net  Mon Mar  4  4:11:28 2002
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Date: Mon, 4 Mar 2002 12:00:23 +0000
From: Bruce M Simpson <bms@spc.org>
To: Adrian Penisoara <ady@freebsd.ady.ro>
Cc: freebsd-net@freebsd.org, altq@csl.sony.co.jp, snap-users@kame.net
Subject: Re: ALTQ integration in FreeBSD
Message-ID: <20020304120022.D2325@spc.org>
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	Adrian Penisoara <ady@freebsd.ady.ro>, freebsd-net@freebsd.org,
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In-Reply-To: <Pine.BSF.4.10.10203021225060.96268-100000@ady.warpnet.ro>; from ady@freebsd.ady.ro on Sat, Mar 02, 2002 at 12:36:49PM +0200
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On Sat, Mar 02, 2002 at 12:36:49PM +0200, Adrian Penisoara wrote:
> Hi,
> 
>   For my diploma exam I will study the state of QoS in today's
> networking and further directions and I probably will concentrate on
> ALTQ in FreeBSD (as I'm pretty familiar w/ FreeBSD).
> 
>   I see that most of today's OSes have a default QoS implementation (at
> least Win2000 and OpenBSD come to my mind) and there is a growing need
> for QoS integration into the OS. I was wondering what kept FreeBSD from
> integrating a QoS implementation (as it did with Kame IPv6) -- for
> example what are pro and cons of integration ALTQ in FreeBSD (I saw
> there was a thread launched sometime in the beginning of May 2001). I
> also saw that ALTQ on FreeBSD seems to be used pretty much even in
> production.
> 
>   What other QoS implementation alternatives are available for FreeBSD ?
> Why didn't FreeBSD follow tracks along OpenBSD's integration of ALTQ ?

You might want to check out the materials on Lucent's ECLIPSE project, which
added layer 2 and 3 QoS as well as disk I/O scheduling to FreeBSD 3.x.

http://www.bell-labs.com/project/eclipse/release/

BMS

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