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The article designed a military grade switchboard with Gigabit POE power capacity through 5 ports by researching switch principle and actual requirement. Firstly, the whole circuit and associated systems were introduced. Secondly, the circuit which used network management chip 88E6161 of Marvel Company and microcontroller chip PD69104B of Micro-semi Company was designed and emulated, the specific...
Malwares always query DNS names to locate their C&C servers and keep regular communication with them, either for fetching instructions or checking updates. Traditional works consider such regular communication as a single-cycle behavior. However we find that many malwares communicate with their C&C servers in a multi-cycle way, which makes them more like normal and evading existing defense...
This paper addresses mainly the problem of private data protection in network communication against eavesdropping attacks. As this kind of attacks is stealthy and untraceable, it is barely detectable for those feature detection or static configuration based passive defense approaches. We propose a Moving Target Defense(MTD) method by utilizing the protocol customization ability of Protocol-Oblivious...
In power system of ships, electrical loads change more complex and wider than lands'. Voltage dip is one of the most serious problems of power system quality. The article researches many methods of detecting voltage dip, according to the specificity of power system in ships, αβ converter algorithm based on dq decomposition method was proposed in article. Pointing at the problem of phase delay, the...
This paper explores the current Internet's potential to provide accountability. We present a new IPv6 address management and certification hierarchy to achieve host-oriented accountability of the Internet, with the current addressing system remaining unchanged. With the design of HIA (Host-Identifier-Embedded IPv6 Address), we present the framework for host identity authentication, packet source validation...
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