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> It’s also a bit misleading to characterize cloud providers as building on libvirt Libvirt provides lifetime management for KVM virtual machines, including or
by bonzini 6y ago
> It’s also a bit misleading to characterize cloud providers as building on libvirt
Libvirt provides lifetime management for KVM virtual machines, including orchestration of live migration, setting up SELinux to ensure isolation between QEMU processes and cgroups to limit resource utilization, creating network interfaces and bridging them to host networking, and more. Any cloud provider that uses Openstack+KVM relies on Libvirt for all these tasks.
- amscanne 6y agoSure, but Openstack-based public clouds are in short supply (unfortunately? fortunately?). I think the short explanation is that pure OSS stacks limit providers ability to move fast and differentiate. So it’s a race the bottom for Openstack-based providers. (Rackspace’s gambit was quite different, as they were arguably trying to do exactly that.. comoditize cloud services.)
- bonzini 6y agoNo the short explanation is that no one is able to put in their cloud the same amount of money that Amazon, Microsoft and to a lesser extent Google do.
- amscanne 6y agoI don’t know why you’re disagreeing when you’re making the same argument. If you have the money, you build your own thing, which is better.