Re: [Qemu-devel] [RFC][PATCH v6 00/23] virtagent: host/guest RPC communication agent

[Jes Sorensen]

On 02/18/11 15:07, Anthony Liguori wrote:
> On 02/18/2011 06:45 AM, Jes Sorensen wrote:
>> It may not be so fundamental, but it still makes me wary. XMLRPC
>> handling is quite high level and introduces the potential of errors that
>> are outside of our direct control. Personally I don't see the big
>> benefit of having virtagent terminate in QEMU,
> 
> Live migration.  If it's a separate daemon, then live migration gets fugly.
> 
> If xmlrpc-c is a PoS, then we ought to look at using something else. 
> But let's understand what's happening first before drawing any conclusions.

Urgh, I always do my best to pretend that there is no such thing as live
migration :) Never seem to work though :(

However if there's an agent connection, it could be arranged in a way
allowing the host to reconnect to the guest agent. In that way it really
shouldn't be a big deal as long as our agent commands aren't too complex.

xmlrpc-c is probably fine, but it introduces a layer of complexity which
always makes me worried.

Cheers,
Jes