Chapter 7. Asynchronous messaging

This chapter covers

  • Using ActiveMQ and Stomp
  • Using reliable-msg
  • Using WebSphere MQ

Asynchronous messaging is one of the most effective ways of building a loosely coupled system while maintaining a sense of coherence in the system. Coupling the publish/subscribe architecture with a reliable delivery broker gives you a solid architecture for integration with heterogeneous (or homogeneous) systems. In this chapter, we’ll look at a few options for asynchronous messaging in Ruby, including how to integrate these solutions with Rails. We’ll start with two open source messaging servers, ActiveMQ and Ruby-native reliable-msg, before moving on to WMQ, the granddaddy of message-oriented middleware.

7.1. Open source messaging ...

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