Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts

[Anthony Liguori <anthony@codemonkey.ws>]

Paolo Bonzini wrote:
> On 11/24/2009 06:08 PM, Michael S. Tsirkin wrote:
>>> >  The external version translator tool could support arbitrary
>>> >  conversion between the whole NxN matrix of versions (including 
>>> distro
>>> >  hacks), or just those that RHEL happens to use. The tool would 
>>> not be
>>> >  limited to QEMU development environment, it could use databases, 
>>> XSLT,
>>> >  SOA or be written in C#.
>> Yea, maybe cross-hypervisor migration could be made to work:)
>> All that would be possible if the migration protocol would
>> be specified at some level. As it is, the protocol
>> really dumps out internal infromation about current
>> qemu implementation, and it seems that making
>> it a separate project would just slow us down.
>
> We have Juan's VMState work to start from.  If we can take it a step 
> further and use anything (including CPP) to make the primary 
> representation of state an XML document or anything like that (and 
> convert it back to VMState structs at build time), it would not be a 
> huge work, and it would give important benefits.

Like adding tremendous complexity for little to no gain.

Sorry, I couldn't help myself :-)

Regards,

Anthony Liguori