xmlrpclib

[Skip Montanaro]

    Graeme> What I am trying to establish is if the server is asynchronous
    Graeme> i.e multi-threaded i.e what happens when 2 requests hit the
    Graeme> server at once?

You can write a multi-threaded server using xmlrpclib and SocketServer.  I
use one behind the Mojam and Musi-Cal websites.  Mine happens to start a new
thread for each request, but I suppose you could write one which uses a
thread pool model.

Skip