The standard PortaBilling with Oracle Real Application Cluster installation includes three servers in the database cluster and three servers in the billing cluster. If more performance is required, you may purchase an extra license for a single billing server (to be added to the billing cluster) and a single database server (to be added to the Oracle database cluster).
If you wish to add more servers for web administration (e.g., a dedicated server for your end user web self-care), no extra licenses are required. The only condition is that this server must be added to your existing PortaCare contract.
