[K12OSN] network design

[Ascension Tech]

Have you tried it with LTSP? This is from the Firehose site:  "There
are catches of course. FIREHOSE is purely a data transfer library and
does not implement a TCP layer over multiple devices nor does it have
any security features. "   Dosen't this mean you can olny use it to
send files manually?

Peter 


On Tue, 8 Feb 2005 14:30:00 -0500, steve gilmore <stegil at hotmail.com> wrote:
> If you are looking for doubling up ethernet cards to increase bandwidth
> speed (channel bonding), there is a program i found on the following website
> that does it for you. Just compile and install. It was meant for high speed
> video transfer. " FIREHOSE "
> 
> 2 x fast ethernet 100mbs -- would create 200mbs throughput   or,
> 2 x gigabit 1000mbs -- would create 2000mbs throughput.
> 
> http://heroinewarrior.com/firehose.php3
> 
> cheers
> SteveG
> 
> 
> ----- Original Message -----
> From: "Rita Gibson" <rgibson57 at earthlink.net>
> To: "Support list for opensource software in schools." <k12osn at redhat.com>
> Sent: Tuesday, February 08, 2005 1:38 PM
> Subject: Re: [K12OSN] network design
> 
> > Terrell Prudé, Jr. wrote:
> >
> >> Paul Satherley wrote:
> >>
> >>> Sharon Betts wrote:
> >>>
> >>>> Hello everyone -- can I get a discussion going to help me sort out my
> >>>> plans?
> >>>>
> >>>> I would like some input on my network design.  I have 4 schools and a
> >>>> business office; 3000 users; and over 1000 machines (growing by leaps
> >>>> and
> >>>>
> >>> LTSP scales to 30 thin-clients per 4G ram and a dual Cpu box..with that
> >>> in mind.
> >>>
> >>
> >> That depends on what desktop you have people using, which apps they're
> >> expected to run, etc.  For either GNOME or KDE with OpenOffice.org and
> >> Firefox/Thunderbird (or traditional Mozilla), I'd say between 30 and 40
> >> thin clients is the max.  My dual-proc server with 4GB DRAM handles 25
> >> today and has enough room for another roughly 15 before swapping starts
> >> taking place.  My kids run their choice of GNOME or KDE.
> >>
> >> On the other hand, if you have the users running, say, IceWM or XFce, you
> >> could probably put more than 40 users on.  If you're talking apps with
> >> few screen updates like OO.o and Moz/Firefox/Tbird, go for it.  If you
> >> have a bunch of people running, say, TuxType, which is known for large
> >> amounts of screen updates, then network bandwidth becomes the bottleneck.
> >> Even a Gig-E card can keep up with only 14 people playing TuxType at
> >> 1024x768x24bit.  That number may rise at lower resolutions; I would
> >> expect it to.  In the TuxType situation, you'd want to use two Gig-E NICs
> >> in your server, ganged together in what Cisco parlance calls an
> >> "EtherChannel" (I think the official term is "multilink").  Then you can
> >> get as many as 28 TuxType users.
> >
> > Eli:
> >
> > I need to find out how to do this! I think we have one more gigabit port
> > to the lab switches.....
> >
> > Rita
> >
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