A compression approach to reducing power consumption of TCAMs in regularn expression matching

摘要

Ternary content addressable memory (TCAM) is a popular device for fast regular expression (Regex) matching in networking and security applications. The rapid growth of Regexes necessitates large TCAM memory consumption, which in turn impacts power consumption. Compressing the transition table can cut down TCAM memory consumption, thereby reducing its power consumption. This work identifies the compressibility of transition entries and then proposes a compression scheme. In our scheme, the compre