Xen 4.0新特性（未定版）

（转载注明出处：所有内容均为Superymk原创，版权归作者所有）

• Kernel Upgrade

1. PVOps Dom0 Kernel based on Linux (version number)

• Blktap2

1. Support VHD format
2. Snapshot virtual disks
3. Command-line invocation method

• High Availability (Project Remus & Kemari)

1. Up to date replica of a VM on backup server

• Netchannel2

1. Lazy copy in guest
2. Support multi-queue NIC, Smart NIC, SR-IOV

• Page Sharing

1. VMs share identical pages in memory

• Libxenlight

1. High level operations shared across all Xen toolstacks

• Support for Virtualization-aware Applications

• Transcendent Memory – RAM utilization capabilities

• Multi-function PCI pass-through

• 其余包括：

Per-CPU vector support to benefit SR-IOV devices and large systems which has lots of interrupt sources.