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Thomas E. Dukes wrote: | If I add these PCs to the network behind my firewall, how do I direct these | services to the various PCs? Is this a firewall thing or DNS? Port address translation will redirect a specific port to a specific machine. PAT has to be supported by your firewall to do this.
http://linux-ip.net/html/nat-pat-userspace.html
| Can someone point me to a good (current) howto on this subject? Is this | load balancing? You would need to provide more specifics about the firewall to be able to point you in the direction of the exact guide you need.
Load balancing is generally given to the process is balancing out a single service (e.g. web server) between many servers that can handle the same request. By offloading ancillary functions (mail) to other machines you are lighting the load of the main machine but not creating a balanced cluster of machines.
If you are running a website that needs to maintain high up times and capacity to deal with heavy loads then load balancing is what you would need. However if its just a local network of computers in an office that share services then PAT is more what you are after as its easier to administer on the small scale.
It sounds like a very interesting project. If your really brave try setting up a load balancing cluster on the network by reading about mosix (http://www.mosix.org/).
- -- Regards Phil Hannent
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