200_net Xen 4.1.1 Hypervisor testing on CentOS 5.7 via the Phoronix Test Suite. Intel 82567LM-2 Gigabit Connection: Processor: 2 x Intel Xeon E5620 @ 2.40GHz (1 Core), Chipset: Intel 5500 I/O + ICH10R, Memory: 2 x 4096 MB 1067MHz, Disk: 1000GB Western Digital WD1003FBYX-0, Graphics: Matrox MGA G200e [Pilot] (SEP1), Network: Intel 82567LM-2 Gigabit Connection OS: CentOS 5.7, Kernel: 2.6.18.8 (x86_64), Desktop: GNOME 2.16.0, Compiler: GCC 4.1.2 20080704, File-System: ext3, System Layer: Xen 4.1.1 Hypervisor Loopback TCP Network Performance Time To Transfer 10GB Via Loopback Seconds < Lower Is Better Intel 82567LM-2 Gigabit Connection . 56.75 |===================================