Date: Wed, 02 Apr 2008 08:50:30 -0400 From: freebsd@top-consulting.net To: freebsd-questions@freebsd.org Subject: Re: FreeBSD Traffic Shaping Message-ID: <20080402085030.27651sl3kwru19ok@mail.top-consulting.net> In-Reply-To: <200804021443.21668.fbsd.questions@rachie.is-a-geek.net> References: <20080401181836.13596owuuxf9az48@mail.top-consulting.net> <200804021332.19454.fbsd.questions@rachie.is-a-geek.net> <20080402082138.29215ikf830zxu8g@mail.top-consulting.net> <200804021443.21668.fbsd.questions@rachie.is-a-geek.net>
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As far as I know, every carrier bills by 95th percentile. This particular server is colocated and the bandwidth average is =20 2.35mbps while the 95th is 3.7mbps. I don't want my clients to have to compete for bandwidth - if 1000 =20 users share a 3mbps fixed pipe, they will each get 3k/sec -. Rather I =20 want to guarantee a fixed output for each client. This ensures =20 adequate speed for everyone AND flattens out my peaks. Quoting Mel <fbsd.questions@rachie.is-a-geek.net>: > On Wednesday 02 April 2008 14:21:38 freebsd@top-consulting.net wrote: > >> Also, the reason for this need is that some services use >> burst-bandwidth and I have many peaks and lows throughout the day. >> This means that my carrier who bills me by the 95th percentile is >> having a field day. > > He bills by the second or average hour like most people? It's not as =20 > black and > white as it seems - you also get higher average when the number of > connections increases, not just the bandwidth they consume. > > I think you'll find that bursts are best counteracted like this: > http://www.probsd.net/pf/index.php/Hednod%27s_HFSC_explained#Tips.2FIdeas > > This seperates 'downloads' from 'webpages', 'normal mails' from 'attachmen= ts' > and you can then tune accordingly, if you have/get some graph. > > -- > Mel > > Problem with today's modular software: they start with the modules > and never get to the software part. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.or= g" >
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