"The problem is that when we say "Web services", the "web" part of it implies HTTP and REST and all that other stuff. It's time we faced reality: SOAP is not just for doing stuff over the Internet. It's time we started calling them what they are: XML services."
"What I do not buy into is the idea that all systems should be seen either as services that expose their functionality only via unidirectional XML messaging or as clients of such systems"