Hardware packet-filters for firewalls, based on content-addressable memory (CAM), allow packet matching processes to keep in pace with network throughputs. However, the size of an FPGA chip may limit the size of a firewall rule set that can be implemented in hardware. We develop two irregular CAM structures for packet-filtering that employ resource sharing methods, with various trade-offs between size and speed. Experiments show that the use of these two structures are capable of reduction, up to 90%, of hardware resources without losing performance. © Springer-Verlag Berlin Heidelberg 2003.
CITATION STYLE
Lee, T. K., Yusuf, S., Luk, W., Sloman, M., Lupu, E., & Dulay, N. (2003). Irregular reconfigurable CAM structures for firewall applications. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2778, 890–899. https://doi.org/10.1007/978-3-540-45234-8_86
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