By analyzing the traditional C/S-based and component-based architecture, a loosely coupled, web services-based architecture and a prototype of CACD system are presented.

• 在分析基于简单客户机/服务器和基于中间件这两种体系结构的基础上,提出了基于WebSer vices、松散耦合的CACD体系结构模型及原型系统。