A XenoServer is a server that can safely execute foreign, potentially untrusted code.

The XenoServer platform is a network of XenoServers meant to support distributed

Distributed computing

Distributed computing is a field of computer science that studies distributed systems. A distributed system consists of multiple autonomous computers that communicate through a computer network. The computers interact with each other in order to achieve a common goal...

 code execution services.

The XenoServer project is currently in development, and is a collaboration between Deutsche Telekom Laboratories and Cambridge University.

the XenoServer project is implemented using the Xen

Xen

Xen is a virtual-machine monitor providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently....

  VMM

Virtual Machine Manager

In computing, the Red Hat Virtual Machine Manager is a desktop-driven virtual-machine manager application with which users can manage virtual machines .- Features :Virtual Machine Manager allows users to:* create, edit, start and stop VMs...

.