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A trusted access method in software-defined network
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DOI：10.1016/j.simpat.2017.02.001.png)
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Abstract
En 中文
In software-defined networks (SDN), most controllers do not have an established control function for endpoint users and access terminals to access network, which may lead to many attacks. In order to address the problem of security check on access terminals, a secure trusted access method in SDN is designed and implemented in this paper. The method includes an access architecture design and a security access authentication protocol. The access architecture combines the characteristics of the trusted access technology and SDN architecture, and enhances the access security of SDN. The security access authentication protocol specifies the specific structure and implementation of data exchange in the access process. The architecture and protocol implemented in this paper can complete the credibility judgment of the access device and user's identification. Furthermore, it provides different trusted users with different network access permissions. Experiments show that the proposed access method is more secure than the access method that is based on IP address, MAC address and user identity authentication only, thus can effectively guarantee the access security of SDN. (C) 2017 Elsevier B.V. All rights reserved.
Keywords:
Software-defined network
Network access
Trusted computing
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