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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...
The paper introduces the experiment of traffic information service based on probe car system in Beijing of China. It is sponsored by JETRO of Japan, for the protection of environment like deceasing energy consuming and air pollution. About 2000 taxies running on roads send GPS and other status data in real time to the data base of the taxi dispatching center, which transmits the data to the data base...
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