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  - area/tech/dev
  - proto
  - view/node/moc
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dateCreated: 2021-10-25, 14:38
dateModified: 2024-01-29, 11:06
version: 1
publish: true

Message Broker

	A Message Broker is an intermediary computer program module that translates a message from the formal messaging protocol of the sender to the formal messaging protocol of the receiver. Message brokers are elements in telecommunication or computer networks where software applications communicate by exchanging formally-defined messages. Message brokers are a building block of message-oriented middleware (MOM) but are typically not a replacement for traditional middleware like MOM and remote procedure call (RPC).
	wikipedia:: Message broker

A Message Broker is an intermediary computer program module that translates a message from the formal messaging protocol of the sender to the formal messaging protocol of the receiver. Message brokers are elements in telecommunication or computer networks where software applications communicate by exchanging formally-defined messages. Message brokers are a building block of message-oriented middleware (MOM) but are typically not a replacement for traditional middleware like MOM and remote procedure call (RPC).

wikipedia:: Message broker

Software Architecture, Publish-subscripe Pattern, Broker Pattern, Message-oriented Middleware (MOM)

Stream Processing

translates a message from the formal messaging protocol of the sender to the formal messaging protocol of the receiver.
A message broker is an architectural pattern for message validation, transformation, and routing. It mediates communication among applications, minimizing the mutual awareness that applications should have of each other in order to be able to exchange messages, effectively implementing decoupling.
The primary purpose of a broker is to take incoming messages from applications and perform some action on them. Message brokers can decouple end-points, meet specific non-functional requirements, and facilitate reuse of intermediary functions. For example, a message broker may be used to manage a workload queue or message queue for multiple receivers, providing reliable storage, guaranteed message delivery and perhaps transaction management.
Message brokers are a building block of Message-oriented Middleware (MOM)
Can effectively decouple various services

Uses

Invoke web services to retrieve data
Perform message aggregation, decomposing messages into multiple messages and sending them to their destination, then recomposing the responses into one message to return to the user
Interact with an external repository to augment a message or store it
Route messages to one or more destinations
Provide content and topic-based message routing using the Publish-subscripe Pattern
Respond to events or errors
Transform messages to an alternative representation

On this page

Message Broker

Uses

RabbitMQ

AWS SQS

Apache Kafka

Redis

ActiveMQ

Advanced Message Queuing Protocol (AMQP)

Amazon MQ

Google Cloud Pub_Sub

OpenMQ

MQTT