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A High-Speed Packet Classification Using TCAM
Masanori UGA Masaaki OMOTANI Kohei SHIOMOTO
IEICE TRANSACTIONS on Communications
Publication Date: 2002/09/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
packet classification, TCAM, IPv6, router,
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This paper proposes a novel packet classification method using ternary content-addressable memory (TCAM), which can store very wide policy rules despite the limited width of TCAM. For IP version 6, policy rules could be 304 bits wide. This method enables us to use commercially available TCAM for packet classification and thus builds an ultra high-speed policy based packet forwarding engine for differentiated services on the Internet.