这些服务网格使参与公司可以形成松散的联盟，每个公司具有自己的内部计算机、网络以及安全基础结构和策略。

The service grid lets participating companies act as a loose federation, each with its own internal computer, network, and security infrastructure and policies.

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数据管理，信息安全，资源管理与信息服务共同组成了网格的基础设施的核心。

Data management, information (security), resource management and information service form the core of grid basic infrastructure together.

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但在面向网格的结构中，因为需要支持终端用户SSO和动态瞬间服务，所以安全体系结构的信任关系很难建立。

Trust is hard to establish in a service-oriented grid architecture because of the need to support end user SSO and dynamic transient service.

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