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This paper shows a new DNS attack that hijacks DNS requests by frequently injecting fake DNS server, and then network systems communicate with wrong destinations. This type of attack is detectable by neither the IDS nor any anti spoofing software.
The appearance of layer-3 or upper layer switch, can solve the problems of low forward rate, high delay of traffic that needs to cross networks, so how to implement VLAN-IP in network device with embedded system is a hot problem. This paper introduces layer-3 principle, character and implementation in embedded system.
Many today TCP modules are derived from the BSD implementation which handles packet loss as signal of congestion. While in the wireless networks, the non-congestive packet losses can be frequent and shall be handled differently. In this paper we apply the visualized IP-based network simulator (VINS) to study the differences between packet losses due to congestion and that due to link disruption, and...
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