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From: Bruce Ferrell <bferrell@baywinds.org>
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Subject: Re: [Bloat] openvswitch usage in the wild?
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On 6/7/19 1:23 PM, Dave Taht wrote:
> what is openvswitch used for nowadays?
>
> https://mail.openvswitch.org/pipermail/ovs-dev/2015-March/296317.html
>
I haven't done it myself (it IS on my agenda to try in my copious spare time), but I hear tell you can use it to make virtualbox and KVM behave like VMWare VCenter using virtual 
interfaces on guest VMs

I also know of commercial product that has (or had, I haven't looked lately) it baked in (no, I'm not at liberty to mention which one).