Desc</code> o: The writer through which replies are sent;
</li><li> <code><a href="Network-Mom-Stompl-Patterns-Basic.html#t:RegistryDesc">RegistryDesc</a></code>: Describes whether and how to connect to a registry:
                     if the queue name of the registry description 
                     is null,
                     the function will not connect to a registry;
                     otherwise it will connect to the registry
                     proposing the best value of the <code><a href="Ne