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In Software Defined Networking (SDN), the configuration inconsistency during updates is one main source of network instability. An efficient updating scheme with configuration consistency is required. In this paper, we propose the scheme of Fast Incremental Consistent Update for SDN (FICUS) based on the relation graph (RG). In our scheme, we analyse the relation between update operations, construct...
Link flooding attack (LFA), as a new type of DDoS attack, can degrade or even cut off network connectivity of a target area. This attack employs legitimate, low-density flows to flood a group of selected links. Therefore, these malicious flows can hardly be distinguished by traditional schemes. In this paper, we propose a scheme called Woodpecker, which makes the LFA more difficult to take effect...
The purpose of this study was to explore a new parameter set for clubfoot identification. Based on the installation of a customized foot pressure measurement and analysis system, the original data for plantar pressure were obtained from 20 normal foot adults and 30 clubfoot patients. Peak pressures and regional contact area were deduced from the original pressure data, and then were analyzed in ten...
Open source applications have flourished over recent years. Meanwhile security vulnerabilities in such applications have grown. Since manual code auditing is error-prone, time-consuming and costly, automatic solutions have become necessary. In this paper we address program vulnerabilities by static code analysis. First, we use flow-insensitive and interprocedural constraint-based analysis to extract...
With the ubiquitous application of Internet and wireless networks, H.264 video communication becomes more and more popular. However, due to the high-efficiently predictive coding and the variable length entropy coding, it is more sensitive to transmission errors. Error concealment (EC) is just an approach to utilize the spatial and temporal correlations to conceal the corrupted region. In this paper,...
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