文中给出了基于RBAC改进的统一权限模型，并在此模型的基础上详细阐述了满足统一性要求的权限管理系统体系结构。

This paper also gives out a new access control model based on RBAC, and expatiates the system architecture which meets the requirement of unification.

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该模型采用基于角色的访问控制策略，实现了各业务系统间的一次登录、统一认证、统一权限管理和业务漫游功能。

And, it implements single sign-on, uniform authentication, uniform authorization management and business systems roam between different application systems.

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在数据层面一体化方案中。对统一的数据字典、权限管理、总账控制等进行了分析。

In the solution of the data layer, the data dictionary, the purview management and the general-ledger control.

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