c9429b30_yper_V_VS_Citrix_Xen___My_Blog__Hypervisor_Attributes
[VMware ESXi 5.0] Optimized with hardware vendors Generic Windows drivers [Citrix XenServer 5.6 FP1] Generic Linux Drivers [Hypervisor Attributes] 
Hardened Drivers
Comparison between Vmware VS Hyper-V VS Citrix Xen | My Blog
Hypervisor Attributes