[K12OSN] network design

Paul Satherley pauls at tclcommunications.co.nz
Sun Feb 6 06:24:38 UTC 2005

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.

My idea for a design  would to create LTSP Nodes ie (Ltsp-mosix + 2 cpu 
(64 bit) +4G ram + switch (32 x (10/100) + 1x 1000) Mbps ports
These server would located in the wiring closest with rack mounted 2U 
servers with a 32 10/100/1000 switch for 32 clients.

the server would connect back via gigabit to a centrally sited say 
(e-smith-mosix) server with large SCSI raid fast single cpu 4G ram
and tape backup or dual layer DVD rewriter ..this would do your   domain 
/homes /ldap-/samba and mail, squidguard  etc...
because the Nodes are identical and modular management and replacement 
in the event of failure would be straightforward.

ideally your clients would all be the same...  say 17"LCD with built in 
Amd Geodes with 64M Ram nice and tidy.

I your main office you would have another e-smith server identical the 
the school ones (for simplicity)
you would setup management (e-smith server-manger etc ) rsync critical 
stuff...  sit back and admire your empire...

now all you need is to fill in the blanks
Eric is trialling 64 bit ltsp..... throw in mosix?? excellent..
throw in working LDAP authentication
e-smith has excelent design and is rock solid

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