11. Scaling through messaging

This chapter covers A quick overview of messaging Using RabbitMQ with Clojure A framework for distributed parallel programming

Messaging has a place in system architecture for many reasons. The most obvious is to communicate between different applications or various subsystems of a single application. Using a messaging system in this manner allows for loose coupling and flexibility: message structure can be changed as needed, or messages can be transformed in the middle as required. There are many design patterns for integrating applications using messaging in this manner.