The Architecture

remoteX4 is built in PHP and interfaces with its users throuhg normal HTML pages with CSS and Javascipt. It consists of three layers: 

All of the above make up the control software as mentionned in the Terminology of  "The Problem" section.

This software needs to run on a control server. This, despite its name, can be a very inexpensive, low power consumption netbook or plug computer.

The configuration is defined using a different application, again web-based. For more information about this process see here.