MQ component (2022.5.16-5.22)

The composition of message middleware
       Broker

Message server , As server Provide message core services

Producer

Message producer , The sponsor of the business , Responsible for the transmission of production messages to broker,

Consumer

Message consumer , The processor of the business , In charge of from broker Get the message and do business logic processing

Topic

The theme , Unified message gathering place under publish and subscribe mode , Different producers turn to topic Send a message , from MQ The server distributes to different subscribers , Realize the message of radio broadcast

Queue

queue ,PTP In mode , Specific producers to specific queue Send a message , Consumers subscribe to specific queue Finish receiving the specified message

Message

Message body , A packet encoded in a fixed format defined by different communication protocols , To encapsulate business data , Realize the transmission of messages