“Event-driven processes are a core subset of the processes and other interactions that a SOA [service-oriented architecture] supports. In contrast, the Web is request-driven and synchronous, where nothing happens until a human clicks a button, but in the general case, the cause of a process might be any event that takes place anywhere in the broader IT infrastructure. WS-Eventing helps to abstract such events so that there is a standard, loosely coupled, typically asynchronous way of describing, producing, subscribing to, and receiving such events,” said Jason Bloomberg, a senior analyst at ZapThink, in an e-mail response.

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