使用双层模型使我们能继续在我们的主Portal服务器上运行Red Hat Linux 8.0，还得到了使用目录服务进行认证的好处。
Using a two-tier model meant we could continue running Red Hat Linux 8.0 on our main Portal server plus gain the benefits of using a directory service for authentication.
MDM Server 提供了很多功能，可以解决主数据架构的认证、授权和审计需求。
MDM Server provides many capabilities to address a master data architecture's authentication, authorization, and audit needs.
主服务器充当认证机构(Certificate Authority, ca)，并向安全服务器和代理发布x . 509认证。
The primary server ACTS as the certificate Authority (ca) and publishes X.509 certificates to the security servers and the agents. The X.509 certificates are used for authentication.
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