IBM is introducing a new tool to manage virtualized data centers even if the center is running different types of virtualization software. <A HREF="http://www.cio.com/blog_view.html?CID=26297">IBM's Virtualization Manager</A> uses a Web-based dashboard for managing different portions of a data center as one whole system, the company said. Virtualization Manager will simultaneously run virtualization software from vendors such as VMware, Microsoft, and XenSource, as well as for IBM's System p and System i servers and storage devices.