"NSX supports Citrix XenServer and Red Hat KVM as well as VMware ESX, he says. Support for Microsoft Hyper V is coming. And if the point Cisco's trying to make is that software overlays require a hypervisor, well, NSX can also run on bare metal servers without one, Casado claims. It can create tunnels from a Linux endpoint, he says."
Tunnels to bare metal servers. Interesting to say the least.
For the original article:
http://www.networkworld.com/community/blog/cisco-claims-scuttled-vmware