Re: [Libvir] libvirt and accessing remote systems

[Daniel Veillard <veillard redhat com>]

On Thu, Jan 25, 2007 at 04:01:50PM +0000, Richard W.M. Jones wrote:
> Some highlights from today's investigation into secure RPCs (a topic 
> which I want to bring to a close as soon as possible).
> 
> * TI-RPC was suggested as an alternative to SunRPC.  The available 
> library has licensing problems which may preclude any integration into 
> libvirt.
> 
> * SunRPC over IPv6: tested and working
> 
> * Either xmlrpc-c or Curl (which it uses for HTTP connections) cannot 
> manage to do persistent connections, which makes XML-RPC very slow.  I 
> haven't yet got to the bottom of why this isn't working, since Curl 
> certainly ought to be able to do keepalives.

  I would not rely on the 'XML-RPC' library if we go the XML-RPC way,
I know libxml2 well enough that I should be able to make sure we keep
a single connection and make sure the XML parsing is implemented in
a proper and efficient fashion.

> * Some performance numbers which you can take with a large grain of salt 
> are available here:
> 
> http://et.redhat.com/~rjones/secure_rpc/#performance
> 
> The other issues are written up in the above document for your browsing 
> pleasure.

  Cool, thanks,

Daniel

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