IPERA Guest WiFi is currently available on Amazon Cloud Services. If you want to have it on the premises then depends on the number of concurrent connections required, you need to allocate one of the server resources specs from following.
Guest Wi-Fi Experience, Basic Analytics & Wi-Fi Marketing
Guest Wi-Fi Experience, Marketing with Location Services & Analytics
Highlighted numbers in cells above determine the number of identical servers required
High Availability is included in above specs except for the Application Load Balancer. Application Load Balancer (appliance or virtual) is mandatory to implement the high availability
Virtual Server or Physical Server architecture is supported
Every user is connected in average 4 hours / daily to the Internet for the above configuration