August 2018
Intermediate to advanced
524 pages
14h 45m
English
Content preview from Java Projects - Second Edition
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Message-driven
Reactive systems are message-driven, not because we need message-driven systems, but rather because message-driven systems are those that can deliver responsiveness, resilience, and elasticity at the same time.
Message-driven architecture means that the information travels between the components that are disconnected. One component sends a message and then forgets it. It does not wait for the other component to act upon the message. When the message is sent, all the tasks on behalf of the sending component are performed, and all the resources needed to handle the tasks are released, resulting in the message being released and ready to be used for the next task.
Message-driven does not necessarily mean networking. Messages can ...