mule是基于Java开源的ESB开发包，文章中介绍了第一次调用mule的全过程。

Mule是一个企业服务总线(ESB)消息框架，而且Mule是一个轻量级且高度可扩展的ESB。,Mule is an Enterprise Service Bus (ESB) messaging framework, and the Mule is a lightweight and highly scalable ESB.

对ESB的功能定义有很好的描述，介绍了各种开源ESB，着重比较了mule和serviceMix两种开源ESB -The definition of the functions of ESB has a very good descr iption, introduced a variety of open source ESB, focused comparison of two mule and serviceMix open source ESB

实现了Mule ESB与JBPM工作流的交互，可以控制业务流程。-Achieve a Mule ESB JBPM workflow with interactive, you can control business processes.