The increasing of IT Systems and extension of application fields leads to the emergence of heterogeneous systems, which highlights the critical importance of Enterprise Application Integration (EAI).

• 随着企业实施的IT支持系统不断增多、范围逐渐扩大，出现了大量的异构系统，“信息孤岛”问题日益突出，企业应用集成EAI(Enterprise ApplicationIntegration)便成为企业必须面对和加以解决的问题。