c9429b30_yper_V_VS_Citrix_Xen___My_Blog__Hypervisor_Attributes
[VMware ESXi 5.0] VMware VMsafe™ Enables hypervisor level security introspection Nothing comparable [Citrix XenServer 5.6 FP1] Nothing comparable [Hypervisor Attributes] 
Virtual Security Technology
Comparison between Vmware VS Hyper-V VS Citrix Xen | My Blog
Hypervisor Attributes