[Xen-users] netback performance

[Kristoffer Egefelt <kristoffer@xxxxxxx>]

Hi,

Until now I was under the impression that a VM could not move more than 
~200.000pps or ~1.5Gbit on mtu 1500 on one VIF - in XENs case due to the 
netback process being single threaded.

But here they apparently get line-rate 10G on a single vif one-core VM 
(+800.000pps), using standard KVM and virtio (this is not documented in the 
post, I asked them). 

http://opencontrail.org/evaluating-opencontrail-virtual-router-performance/

This seems almost unreal to me - but maybe I’m missing something.

Is Xen currently able to do this ?


Thanks
Kristoffer
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