Information Technology

Gartner Glossary

Message Broker

A message broker is a logical hub that copies and resends messages to one or more destinations. As a value-adding third party between information sources and information consumers, it can complement a service-oriented architecture (SOA). Like an SOA, a broker is a design abstraction that may be implemented using component software for some or all of the connections. The interface from a message broker to the application may use an object request broker (ORB) or object transaction monitor (OTM); a request to the message broker may be implemented as a series of method calls to participating components.

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