Re: [Qemu-discuss] network latency for virtio-net-pci

2014-09-02 Thread George Shuklin
On 09/02/2014 06:05 AM, Zhang Haoyu wrote: We running qemu 1.5, and one of the users complains on high latency on the overlay network of openstack. I done some research and comparation and found those numbers: V - virtual machine with qemu/virtio-net-pci tap device. H - hardware server S - hard

Re: [Qemu-discuss] network latency for virtio-net-pci

2014-09-01 Thread Zhang Haoyu
>Hello. > >We running qemu 1.5, and one of the users complains on high latency on >the overlay network of openstack. > >I done some research and comparation and found those numbers: > >V - virtual machine with qemu/virtio-net-pci tap device. >H - hardware server >S - hardware switch >O - openvswit