Because the traditional authorization control method cannot perform authorization control on the backup operation in a cloud storage system, the above actions of the administrator will not be detected as illegal access by the traditional access control method.
Then, the theories of DDM is fully explained in the paper, including the description of DDM, the denotation and operation of domain relation, and the access control method based on DDM.
Considering the exigency of the security information in the control network, a CSMA/CA protocol with priory and adaptability is proposed as media access control method.
Through study on SSL and its key technology, it is recommended that the SSL-based certificate authentication can be used as client access control method in database systems.
Explain the technology and media access control method for Ethernet networks
LAN交换技术 选择以太网的技术以及媒体访问控制方式。
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