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In this paper, we propose a stateful optical filtering approach that allows session establishment and traffic flow filtering in the optical layer. Each traffic flow is identified by a unique identifier composed of a set of code words built on values of appropriately selected fields in the stream. In the firewall core node, a security policy is applied to the optical flow based on its identifier in...
In this paper, we present an optical filtering architecture which provides access control security service at the optical layer. The optical traffic stream is identified by an optical code-word. A configured security policy specifies for each traffic stream, the action that must be executed. A traffic stream labeled by a code-word will be accepted if it is properly decoded. The filtering process is...
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