Somehow, people use to consider just three ways of inter-process communication: web services (that come in many styles and flavors) file transfer database sharing (yuck!) Undoubtedly you can cover pretty much every business scenario using those approaches only, but: Connecting applications with web services (peer-to-peer paradigm) makes them tightly coupled. That’s ok if we’re speaking about 2,3,5 applications, but what if you have 10 or more? Would you be able to plan application maintenance with all those dependencies? And are you sure your every app is able to handle unavailability of services it depends on? What…