Method and apparatus for constructing a search key

Details Method and apparatus for constructing a search key Method and apparatus for constructing a search key

2004-02-27

2008-09-16

Bragdon, Reginald G. (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S118000

Reexamination Certificate

active

07426608

ABSTRACT:
A search key construction system including search key sections, each coupled to an output of a first multiplexer having a first programmable control, a second multiplexer having a second programmable control and an output coupled to the first multiplexer, and a third multiplexer having a third programmable control and an output coupled to the first multiplexer is disclosed. The first programmable control can include a key source select to enable one of a first type path, a second type path, and a third type path. The first type path can include a designated section position from a packet header, the second type path can include a short field from a packet attribute, and the third type field can include a long field from a packet header.

REFERENCES:
patent: 2004/0228370 (2004-11-01), Riesenman et al.

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