Key new features:
Includes full integration and management from XenCenter of StorageLink and Site Recovery. All new Linux-based virtual appliances and a single installation ISO.
This release is based on the Xen 4.1 hypervisor and includes Open vSwitch as the default network stack, SR-IOV support and improved networking performance.
XenDesktop enhancements & improvements
HDX enhancements, optimized virtual desktop user experience and GPU pass-through.
6.0 is the first XenServer release to include HDX enhancements for optimized user experience with virtual desktops.
With the 6.0 release, a physical GPU can be assigned to a VM so the applications running in the guest can leverage GPU instructions (“GPU pass-thru”). This provides significant TCO benefits for the XenDesktop HDX 3D Pro technology used for delivery of CAD and other graphical applications via virtual desktops
Guest OS support updates
New Guest OS support includes Ubuntu 10.04 support, RHEL 5.6 and SLES 10 SP4 support updates. Experimental support for Solaris and Ubuntu 10.10.
Self-service & cloud-building tools
Includes new Self-Service Manager feature which enables you to build “private cloud” self-service environments. Create boot sequenced multi-VM virtual appliances for use with High Availability and Site Recovery and ability to import VMware VMDK and Microsoft VHD disk images.
Microsoft System Center integration
Manage XenServer hosts and VMs with Microsoft System Center Virtual Machine Manager (VMM) 2012. Monitor XenServer hosts with the System Center Operations Manager 2012 and special Supplemental pack from Citrix upon System Center 2012 release.
Platform enhancements & improvements
“Rolling Pool Upgrade” wizard, NFS support for High availability, 1TB host RAM support, increased VM vCPU, vRAM levels and NIC bonding improvements.
The XenServer 6.0 beta program is fully public and available for anyone to download from mycitrix.com (a mycitrix.com account is required).