对于Web 计算模式的应用,构建安全机制是用于保护数据的安全和维护系统正常运行的重要措施。在PF 远程控制系统中,通过构建托管控件,集成身份验证和授权、数据交换服务及数据加密等多种安全技术,实现了该系统的多层安全控制。 关键词:Web 模式;安全策略;托管控件;Web 服务 Abstract: Security mechanism is the key measure for the application based on web computation to protect data and perform the system. In the poloidal field remote control system(PF-RCS), its security mechanism is deployed on the identification and authorization, data exchange, encryption technique, and mandatory control to access the experimental facility, which realizes the multi-layer security control. Keywords: web model, security mechanism, mandatory control, web services