采用这种新架构，客户机到服务器之间的第一个安全授权实体是PAC ID。

With this new architecture, the first secure authorization entity that flows in from a client to a server is a PAC ID.

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与其他算法相比，该算法能有效对抗来自网络的恶意授权实体的拒绝服务攻击。

Compared with other algorithms, the algorithm can effectively fight the denial of service attacks from malicious authorized entities in the networks.

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