One of the best ways to ensure that distributed servers maintain a dependable communication channel is to bundle the complexity of remote procedure calls into a distinct unit-a messaging queue. When one process wishes to send a message to another process, the message can simply be placed on this queue-like a to-do list for your application, with the queue service doing the work of ensuring that messages get delivered as well as delivering any important replies back to the original sender.
There are a few enterprise-grade message queues available, many of them deploying AMQP (Advanced Message Queueing Protocol). We will focus on a very stable and well-known implementation—RabbitMQ.
To install RabbitMQ in your environment, follow the instructions found at: https://www.rabbitmq.com/download.html.
Once installed, you will start the RabbitMQ...
