From Fedora Project Wiki
Multiple Server Simulator
Description : This project is about to develop a software. Like wamp server used in localhost for checking and testing purpose on developer's computer. So, If developer want to make application in distributed system, then he can't do on his single computer or he has to connect to other computers. so, Instead of doing these things, this software will be capable to create multiple servers [virtual servers]. So, it'll create easier to developer to develop and implement his task or website.
In short, multiple servers in one PC. So, developer can easily check and test his web applications and generate reports.