Building an asynchronous messaging systemApache Camel is a great tool for implementing Enterprise Integration Patterns in Java. Camel makes it easy to perform common integration tasks and provides a means for developers to customize the framework when the situation demands it. And RabbitMQ is an open source message broker that provides the ability to efficiently exchange messages between disparate systems. The rich functionality provided by RabbitMQ makes it easy to build highly available, scalable systems that are easy to use for everyone.