Patent · US Active

Method and system for using range bitmaps in TCAM access

US8938579B2 · kind B2 · utility

0Cited by

5References

20Claims

0Family size

Assignee

Alcatel Lucent · FR

Inventors

Toby J. Koktan · Ottawa, CA
Andre Poulin · Gatineau, CA
Michel Rochon · Gatineau, CA

Key dates

Filing date	Sep 28, 2012
Grant date	Jan 20, 2015
Priority date	—
Expiry date	May 24, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04L45/74591
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Various exemplary embodiments relate to a method and related network node including one or more of the following: determining that a first search value is associated with a first range field; determining a first bitmap associated with the first search value, wherein the first bitmap indicates at least one range encompassing the first search value; generating a search key based on the first bitmap; and accessing the ternary content addressable memory based on the search key.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.