Aiming at the self-beneficial attack problem in layered multicast protocol, a secure layered multicast protocol is presented. The congestion state related access control algorithm is designed.
针对分层组播协议存在的自利型攻击问题，提出了一种安全分层组播协议，设计了基于拥塞状态的访问控制算法。
This paper describes the access control method for the specific relational-object data structure on the base of the self-developed spatial database, VISTA.
论文在自主开发的空间数据库VISTA的基础上针对特定的对象-关系型数据结构，提出了相应的访问控制方法。
Do remember it is not needed to enter password when using Access Control System on door of self-service banking.
特别记住，使用自助银行门禁系统无需输入密码。
Do remember it is not needed to enter password when using Access Control System on door of self-service banking.
特别记住，使用自助银行门禁系统无需输入密码。
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