RMI: 
RemoteStub/Skeleton are used (inherited in interposed classes
that are generated by GenIC)
If -secpropag is passed at GenIC, we use instead:
SecurityRemoteStub/SecuritySkeleton and RMISecurityPropagationManager.
-> JonasSecuritySender and JonasSecurityReceiver are called.

JEREMIE:
We use JonasTransactionSender and JonasTransactionReceiver objects, as defined in JTS :

DAVID:
We use JonasSender and JonasReceiver objects.
JonasSender implements org.omg.CosTSPortability.Sender
JonasReceiver implements org.omg.CosTSPortability.Receiver
