Main changes for version 2.1 (since version 2.0)

• A new configuration tool: improved installer with the new xosautoconfig tool to greatly simply and automate installation of XtreemOS instances.

• A number of high impact bug fixes, along with work on stability and correctness.

• A new version of XtreemFS: XtreemFS 1.2, which has a number of new features along with enhanced performance and stability.

• XtreemOS-MD (Mobile Device): this new version integrates XtreemOS on Internet Tablets, beginning with the Nokia N8xx.  This makes it possible to launch jobs and interact with XtreemOS resources via a zero configuration client.
• Virtual Nodes suppport: a framework to provide fault tolerance for grid applications by replicating them over multiple nodes. 
• SAGA compliant applications support through XOSAGA.

Main changes for version 2.0 (since version 1.0)