摘要
在基于Ｃｌｉｅｎｔ／Ｓｅｒｖｅｒ 结构中的数据库事务处理模型中，中间件提供了全局事务处理与局部数据库系统的接口，它使多数据库系统能够对分布在不同站点的局部数据库进行透明访问．文中分析了这一模型中中间件的应用背景，在此基础上分析了中间件的设计与实现方法。
In a multi-database transaction model based on client/server structure, middle ware is the interface between global transaction and local database systems .It provides transparently accessing local databases distributed at different sites for multi-database.The background of middle ware in this model is introduced first and then methods of middle ware design and implement are presented.The performance comparision among these methods is also discussed.
