求翻译：通过使用集中验证点、基于角色的访问控制以及SSO．Sun Java System Access Manager为所有基于Web的应用程序提供了一个可伸缩的安全模型。它简化了信息交换和交易，同时能保护隐私及重要身份信息的安全。Sun使用一个身份认证服务器实现SSO，所有的登录、认证请求都在认证服务器完成，然后分发到相应应用。是什么意思？

Through the use of a centralized authentication, role-based access control, and sso. the sun java system access manager, web-based application provides a scalable security model. It simplifies the exchange of information and transactions while protecting privacy and the security of the identity info

The use of a centralized authentication, role-based access control, as well as SSO Sun Java System Access . Manager Web for all based on the application provides a scalable security model. It simplifies the exchange of information and transactions, and to protect privacy and the security information

Through use centralism confirmation, was possesses based on the role access control as well as SSO.Sun Java System Access Manager based on the Web application procedure has provided an expandable security model.It simplified the exchange of information and the transaction, simultaneously can protect

By using the centralized authentication, role-based access control, and the SSO. Sun Java System Access Manager for all Web-based applications provide a scalable security model. It simplifies the exchange of information and transactions, while important identity to protect privacy and information se

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