Method of performing table lookup operation with table index...

Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition

Reexamination Certificate

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C709S238000

Reexamination Certificate

active

07908431

ABSTRACT:
In a packet switching device or system, such as a router, switch, combination router/switch, or component thereof, a method of and system for performing a table lookup operation using a lookup table index that exceeds a CAM key size is provided. Multiple CAM accesses are performed, each using a CAM key derived from a subset of lookup table index, resulting in one or more CAM entries. One or more matching table entries are derived from the one or more CAM entries resulting from the multiple CAM accesses.

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