推动这种扩展的动力是允许我们将访问控制分离到一个通用的框架，该框架使用基于所有权和特定关系的策略。
The driving motivation behind this extension is to allow us to separate access control into a generalized framework that USES policies based on ownership and special relationships.
尽管此设计非常简单，但它可能不够，从而导致某些类unix系统通过访问控制列表和其他机制对其进行扩展。
Although this design is simple, it's can be inadequate, leading some UNIX-type systems to extend it through access control lists and other mechanisms.
它以一种面向对象的方式提供访问资产清单的对象和方法，并提供对资产已扩展元数据的完全控制。
It provides objects and methods for accessing the asset manifest in an object-oriented style and offers full control on the extended metadata of the assets.
联邦授权和访问控制的XACML(可扩展访问控制标记语言)。
XACML (Extensible access control Markup Language) for federated authorization and access control.
然而，由于其集中式访问控制和密钥分配方式，限制了组规模的进一步扩展。
However, the modes of centralized access control and key distribution limit the extension of their group sizes.
它也可以提供多主复制，访问控制和许多扩展。
It also offers multi-master replication, access control, and many extensions.
它符合目前多变的企业人员结构和组织结构，结合细粒度的权限划分和充分的授权约束，进一步对传统RBAC做出了扩展，满足动态访问控制的要求。
Its fits the dynamic employee and organization structure. The model extends the traditional RBAC by incorporating thin granular permissions control and enough Constrains in authorization.
它符合目前多变的企业人员结构和组织结构，结合细粒度的权限划分和充分的授权约束，进一步对传统RBAC做出了扩展，满足动态访问控制的要求。
Its fits the dynamic employee and organization structure. The model extends the traditional RBAC by incorporating thin granular permissions control and enough Constrains in authorization.
应用推荐