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Scott Moser wrote:


> within kvm/qemu, the path that is being worked to getting host-guest communication outside
> of networking is being done via 'qemu-ga'.
> http://wiki.qemu.org/Features/QAPI/GuestAgent

> Thats a guest agent that would run inside.

> It will communicate over a virtual serial (virtio-serial) bus with the host.  The goal is to have full
> remote procedure call rather than just key/value storage.

This approach makes sense.

Is there any prospect of defining a universal agent for all virtio guests>? (ovirt, kvm, xen, ...)

Having consensus on a virtio guest agent strikes me as being more important that almost any specific feature.