The idea is to create a federation of private online identity systems.

这一构想就是建立一个私人的网络身份系统联盟。

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Authentication and identity systems provide the context used to discover the appropriate contract when the service is invoked, along with the invoked service itself.

认证和标识系统与所调用的服务一起提供上下文，当调用服务时，该上下文用来发现恰当的合同。

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For example, is there a need to propagate client identity through intermediate systems such as brokers to the end-providers of service implementations?

例如，是否有必要通过类似于代理的中间件系统来把客户端身份传递到服务实现的最终提供者？

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They could also learn how to prevent identity theft, how to understand their telephone bill, and even how to choose between competing cable television systems.

VOA: special.2011.06.24

Third, identity systems must be able to check who is asking for the information, not just hand it over.

ECONOMIST: It's best for governments not to know too much

The name-matching software made by Identity Systems, based in Old Greenwich, Connecticut, is used by more than 200 government agencies around the world.

ECONOMIST: Computing: What's in a name? | The

The trouble is, it is not clear that these identity-verification systems are worth the cost and trouble of introducing them.

ECONOMIST: BIOMETRICS