Windows or Linux. Java 7 and up.
The vFunction server requires a Linux machine with at least 8GB of RAM and 2 CPUs. For largeapplications and improved performance, it is recommended to provide 16GB of RAM and 4 vCPUs.
vFunction is comprised of a JVM agent that is installed on the application to be modernized, in a pre-production environment and of the vFunction Server which is also installed locally behind the firewall. The agent collects data while the application is being tested and sends it to the server that does all the analysis and provides the architect with the GUI of the platform.