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For small installations, one single preferably virtual Citrix server is in most cases the best solution. That server acts both as cadett ELSA server and as a Citrix server, which will host the clients.

 

An installation of this kind can handle a maximum of approximately four concurrent users. The server in question must be very powerful to handle the heavy load where all activities that would normally be handled by a server and four separate workstations are all handled by one single server.

 

Properly dimensioned, this solution is however extremely effective and can offer a superb user experience, with very good performance.

 

As a rule of thumb, please calculate 16 GB RAM to start with and at least 8 GB per concurrent user, giving 16 + 4 x 8 = 48 GB RAM.

 

You need at least two processor kernels for the cadett ELSA server, and at least two per user, giving 2 + 8 = 10 kernels minimum. Practically you could for example have two processors with eight kernels each, giving totally 16 kernels.

 

The hard disk should be large and extremely fast.