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

[Anthony Liguori]

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