Service discovery technologies for multiple administrative domains are of great urgency.
寻找面向多管理域的服务发现技术是非常必要的。
An infrastructure such as the WRG exhibits heterogeneous resources and spans over multiple administrative domains.
一个基础设施，如WRG展品异构资源和跨越多个行政领域。
There exist multiple administrative domain problems based on RBAC in grid computing, the paper gives the RBAC standard extension in grid and sets up access control model in grid.
在网格计算中访问控制存在着多个管理域r BAC问题，给出了网格中的标准RBAC扩展，并以此建立了的网格访问控制模型。
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