During the weekend Xen.org finally released Xen 4.0. It includes a number of very interesting features, even if they are definitively less than the ones listed in the proposed roadmap appeared in August 2009: Fault Tolerance (live transactional synchronization of VM state between hosts) Memory Overcommit (page sharing through the Transcendent Memory feature) Support for live snapshots and clones through the new VHD implementation called Blktap2 Support for new Smart NICs with multi-queue and SR-IOV functionality through the network channel implementation called Netchannel2 Support for Para-virtualized USB and VGA pass-through Support for Paravirt-ops in the Dom0 (with Linux kernel 2.6.31) Support for up to 64 vCPUs per virtual machine Support for up to 1TB RAM per host One significant omission is the integration with Open vSwitch, which launched in August 2009 . The thing is particularly strange considering that the distributed virtual switch is part of the Xen Cloud Platform (XCP), which is based on Xen. Maybe the product is not yet solid enough, or it doesn’t have enough features, to be included in a mature release of Xen like this one. Now, it’s just a matter to see how quickly the new engine will be implemented in XCP, Citrix XenServer, Novell SLES and Oracle VM Server, and what kind of additional features these companies will be able to build on top of Xen 4.0.

Continue reading here:
virtualisation.info

Wanova today announced the general availability of Wanova Mirage technology, a Distributed Desktop virtualisation solution that lets IT centrally manage the desktop, simplify support and protect remote and mobile PCs, while optimizing the end user experience. Laptop sales now outpace desktops in the enterprise, but traditional virtualisation technologies have provided little support for these… This is a content summary only. Visit my website for full links, other content, and more! ]

More:
virtualisation.com