摘要： 分析了分布式环境下对多数据源的并发访问问题,提出了一种基于中间件的分布式数据服务解决方案,给出了服务模型,并对数据发布机制和服务要素进行了分析和论述。最后,讨论了服务设计和实现中的关键问题,给出了实现方案。

关键词: 数据服务, CORBA, 代理, 分布式系统, 中间件

Abstract: The paper analyzes mechanisms of multiple users visiting scattered multiple data sources synchronously in the distributed environment, and presents the distributed data service as the solution based on middleware. The paper also presents the model of data service, analyzes the methods of publishing data and components of data service model. At the end, the paper discusses the key issues in the service design and implementation and puts forward the solutions of them.

中图分类号: 

• TP311