Survey Bloom filter applications in network security: A state-of-the-art survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
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With the DDoS (distributed denial of service) traffic which was implemented using depleted bandwidth is filtered by routers in high speed network, it is impossible for the victim to work on the individual level of on-going traffic flows. The scheme establishes the source and destination IP address database by observing the normal traffic and storages it in a Bloom Filter table. The Netflow statistics is mainly used to allocate the weights for traffic routing by routers. A new algorithm is thus proposed to get efficiently maximum throughput by the traffic filtering, and its feasibility and validity have been verified in real network circumstances. The algorithm shows its advantages that it just occupies a small part of resources. Moreover, it can optimize the network traffic simultaneously with defending against DDoS attack, thus eliminating efficiently the global burst of traffic arising from normal traffic so as to improve greatly the efficiency of servers.