Microsoft and Citrix agree on virtual machine standard
 

*Source: TG Daily (http://www.tgdaily.com/content/view/33805/140/)*
_____
San Francisco (CA) - At VMworld 2007, a major obstacle in virtual machine sharing apparently has been overcome. Microsoft and Citix Systems have agreed to use Microsoft's Virtual Hard Disk (VHD) standard for virtualization machine storage. This philosophy of sharing in the virtualization world will likely be the first of many to come as they hone in on a single, workable standard.

More...