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The DoS attack is the most popular attack in the network security with the development of network and internet. In this paper, the DoS attack principle is discussed and some DoS attack methods are deeply analyzed. The DoS attack detection technologies which include network traffic detection and packet content detection are presented. The DDoS based on DoS is introduced and some DDoS tools are described...
In this paper, the general structure of the CAD/CAM system oriented to 7-axis PKM is put forward, the information flow and key algorithm of the CAD/CAM system software is presented. At the same time, the CAD/CAM system software is modularized and functionally described, and some key techniques in NC programming of PKM such as generating techniques of trajectory, post processing and simulating techniques...
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