From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Sheshka Date: Mon, 03 Nov 2003 09:18:44 +0000 Subject: Re: [LARTC] beta-release of H-FSC port for Linux 2.6 Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org On Sat, 01 Nov 2003 15:45:04 +0100 Patrick McHardy wrote: > Not sure what you mean with "competitors", I made this port for > fun after happily discovering that the code was very nicely > written (unlike the version mentioned in the paper). This should > not be understood as dissatisfaction with HTB, I was perfectly > happy with the entire time I used it. > > So why would you want to use H-FSC .. you're right, a major > feature of H-FSC is decoupling of bandwidth and delay, but it > also offers delay _guarantees_ if configured correctly. This is > very important for streaming, VoIP, .. (and gamers of course). > I don't know if my understanding of HTB's algorithm is correct, > but it is basically a chained token bucket, so delay is directly > coupled to bandwidth. Also I believe it always tries to dequeue > "quantum" bytes at once so classes might go overlimits for a > limited period of time. This hurts delay. On the other hand, > HTB is more expressive due to priorites. So I'd say it basically > comes down to expressiveness vs. delay guarantees. However > I was able to convert my HTB config to something very similar > with H-FSC depite using priorites with HTB. > > I hope that anwers your question. > > Best regards, > Patrick > > Sound interesting, but where I can find samples of hfsc usage ? I want to try my htb setup and hfsc. > > _______________________________________________ > LARTC mailing list / LARTC@mailman.ds9a.nl > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ -- PGP key : http://pgp.dtype.org:11371/pks/lookup?op=get&search=0x0BE90515 _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/