Sun Microsystems plans to deliver support for the Xen virtualization technology in Solaris 10 by the middle of 2007. Sun is preparing to release to OpenSolaris sometime in July a snapshot of code that will run on top of Xen and which provides Dom0 (Domain zero) support using Solaris Dom0, which supports 32-bit and 64-bit Linux and Solaris DomU’s, said Tim Marsland, Sun’s CTO of operating platforms, at a media briefing on virtualization at Sun’s San Francisco offices June 27.