Method and apparatus for overlaying flat and/or tree based...

Details Method and apparatus for overlaying flat and/or tree based... Method and apparatus for overlaying flat and/or tree based...

2008-06-23

2010-11-16

Choe, Yong (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C365S049100

Reexamination Certificate

active

07836246

ABSTRACT:
A content addressable memory device (100) and method can have CAM blocks (102-0to102-29) organized in block sections (104-0to104-6). In an overlay mode of operation, an overlay engine (106) can access an algorithmic search (SPEAR) CAM (102-28and102-29) to generate overlay data set search keys (keyFIB<0> and <1>). Multiple data sets (e.g., FIB0, FIB1, ACL0) can be accommodated on the same CAM device by search key multiplexers (108-0to108-6) that selectively apply any of a number of data set search keys (keyACL<0>, keyFIB<0> and keyFIB<1>).

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U.S. Appl. No. 10/950,323, Birman et al.

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