CORBA design patterns
The XML handbook
Requirements Development in Scenario-Based Design
IEEE Transactions on Software Engineering
Enterprise application integration
Enterprise application integration
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In large enterprises, asynchronous communication and messaging are gaining importance as integration solutions between applications. The concept of a message broker has been proposed as a universal mediator at the center of business. This paper gives a distinct definition of a message broker by enumerating enterprise critical criteria and describes a reference architecture to meet these criteria. To arrive at the relevant criteria, the message broker is positioned with respect to other middleware solutions like CORBA and MOM/DAD, and limitations and advantages are pointed out. From this comparison the catalogue of critical criteria is deduced and examples are given of how commercial broker products fulfill or fail these criteria. Finally, a reference architecture based on Java, XML and XSL(T) is described that meets the criteria with respect to configuration, execution and extensibility.