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Different from other research work focusing on network-wide traffic, the traffic we focus on for analysis is that of a traffic state viewed from a router??s interior. In this paper, at first, a kind of Port-to-Port traffic in a router is introduced, which we call IF flow. IF flows can amplify the ratio of attack traffic to normal traffic. Then RLS (recursive least square) filter is used to predict...
The optimal parameters of candidate measures established by importance sampling are usually obtained by minimizing the quadratic criterion. To begin with, in this paper a scheme is developed for finding the alternative measure that is optimal in the sense that the p-order relative moment is minimized. Secondly, a necessary and sufficient condition for asymptotic efficiency of the optimal change of...
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