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xen-api
Re: [Xen-API] Xen-CIM, libvirt, and Xen tools stack
On Tue, Aug 15, 2006 at 03:42:29PM -0600, Jim Fehlig wrote:
> All,
>
> Given the recent work by Ewan and company on a Xen Management API and C
> binding, the Xen-CIM project must now decide which API to use - either
> the C binding directly or libvirt. The Xen-CIM project planned to use
> libvirt all along, but given the developments over the past few months
> we must now decide whether to continue on this path or move directly to
> the C binding.
>
> I will start a list some pros and cons that we can expand and ultimately
> use to determine the appropriate path moving forward.
>
> Reasons to stay with libvirt:
> - Xen-CIM providers would inherit libvirt's ability to work with
> arbitrary virtualization technologies
> - Related to above, libvirt could become a standard API for managing
> various virtualization technologies
> - When on box, libvirt can provide optimizations for satisfying a request
Just add one other which may be important for people with existing Xen
deployments which need managing:
- Compatability with Xen 3.0.2 and 3.0.3 releases
> Reasons to use C binding directly
> - libvirt must expose all of the functionality described in the
> management API spec before the providers can make use of it
> - libvirt introduces another layer of code, assuming it eventually uses
> the C binding as well
> - libvirt is not 'in tree' (I do not have a problem with this but have
> heard it mentioned before so wanted to include it)
Dan.
--
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