Industrial control Ethernet networks are more important in connecting with equipments each other of enterprise comprehensive automation and integrating information. With the explosive growth of network techniques, the traditional control networks can no longer satisfy the security demands on network connectivity, data storage and information exchanges. New types of networks emerged in recent years in order to provide solutions for the increasing requirements on networked services. We propose a trust evaluation model for industrial control Ethernet network. Our study shows the importance and necessity of applying theoretical analyses to understand the complex characteristics of trusted industrial control Ethernet networks.
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