Definition - What does Message Broker mean?
In telecommunication networks, programs interact by exchanging messages that are formally defined, i.e., by means of the act of messaging. In these networks, a message broker serves as an intermediary program, which translates a message from the sender's formal messaging protocol to the receiver’s formal messaging protocol.
A message broker is also known as an integration broker or middleware.
Techopedia explains Message Broker
The objective of message brokers is to receive inbound messages from applications and perform actions on them. Some examples of actions that could be carried out by a message broker are:
- Direct messages to one or more destinations.
- Translate messages to a different representation.
- Communicate with another repository to enhance a message or save it.
- Invoke Web services for retrieving data.
- Reply to errors or events.
- Offer content as well as topic-based message routing using the publish-subscribe pattern.
- Execute message gathering or amassing; decomposing messages into many different messages; delivering these messages to their desired destination; recomposing the response messages into one single message, and then returning it to the user.
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