[K12OSN] network design
rgibson57 at earthlink.net
Tue Feb 8 18:38:23 UTC 2005
Terrell Prudé, Jr. wrote:
> Paul Satherley wrote:
>> Sharon Betts wrote:
>>> Hello everyone -- can I get a discussion going to help me sort out my
>>> 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.
I need to find out how to do this! I think we have one more gigabit port
to the lab switches.....
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