A request for authorization lands at the Policy Enforcement Point (PEP).

授权请求到达策略执行点(pep)。

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As an example, consider the SAML assertion mechanism that is used to encode a request for authorization into an XML request. SAML defines several types of statements.

作为一个示例，请考虑用来将权限请求编码成XML请求的SAML断言机制。

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This is the action where all the authentication and authorization steps for any particular request are performed.

这是在其中对任何特定请求执行所有身份验证和授权步骤的操作。

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Over the next few months, eligible individuals who do not present a risk to national security or public safety will be able to request temporary relief from deportation proceedings and apply for work authorization.

WHITEHOUSE: President Obama Speaks on Department of Homeland Security Immigration Announcement | The White House