The document discusses a demonstration of XEN virtualization on a Cavium ThunderX ARMv8 processor with 48 cores. Key features demonstrated include PCI passthrough, SMMUv2, and GICv3 ITS to pass a PCI device through to a virtual machine domain. Applications running include BusyBox, Apache, MySQL, VLC playing 4K video, and network and storage passthrough using AHCI and PCIe SSD devices.