hi,LTSP just "stands on the shoulder of giants" :-) regarding protocols.
i read about lts and it seems to be a great solution for our old clients but most of them are over a wan. how much band width do i need per client?
where can i find the specification (or some references ) about how the protocol
works?
You probably need one dhcp server local to the clients (but can go without with some manual work), which also serves tftp and nfs.
This can be done by some old machine too, it needs not too much compute power.
The CPU intensive part, execution of graphics application, should be done on some powerful server, that uses XDMCP for session management,
generally, just the Linux/*nix X-Protocol is used. You will find lots of info about it in google probably.
The X protocol is quite bandwith intensive, but there have been thoughts (Jim McQuillan didn't like them too much, but that does not meen it's impossible to do this) to use
Nomachine's NoMX X-compression technology for situations with wide-area networks. Currently, no package for this is available, but you are welcome to bring it to live :-)
I cannot give you numbers of bandwith, just tell you that 16 clients over a 10MBit coaxial network suffer from a bandwith problem, but making two networks
of 8 each improved the situation dramatically. Peak loads arise on whole-screen-refreshed etc...
Best you just give it a try.
HTH,
Anselm
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