The performance for search the ACLs to determine user access privileges to NEs is also greatly enhanced because (1) the ACLs in the NE name space is sparsely populated and (2) most ACL searches will terminate at the high level in the name space tree. For example, users in Group 1 and Group 2 will have their access right determined at the level of the NEtype, which reflects the common practice in an enterprise operation support system.
搜索功能来确定用户的访问权限的NES的性能也大大提高，因为（1）在新的名称空间的ACL是稀少的，（2）最ACL搜索将在名称空间树高水平的终止。例如，在组1和组2的用户将他们的访问权的netype水平决定的，这反映了一个企业的运营支撑系统的共同实践。
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