Using CRC-15 as hash function for MAC bridge filter design

Details Using CRC-15 as hash function for MAC bridge filter design Using CRC-15 as hash function for MAC bridge filter design

2005-09-29

2009-11-17

Shah, Chirag G (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

Reexamination Certificate

active

07620043

ABSTRACT:
A hash function for a MAC bridge filter that improves bridge performance by reducing overflow of the MAC bridge database and which reduces cost of the device by using relatively few hardware resources. A CRC hash function is used to randomize the search string in the MAC bridge filter so that a consistent bridge performance is achieved regardless of where the bridge is used. Using the CRC as a hash function also results in efficient hardware implementation. In addition, the present invention may be generalized to use a CRC-M as hash function for any bridge filter design.

REFERENCES:
patent: 6018526 (2000-01-01), Liu et al.
patent: 2004/0098585 (2004-05-01), Grove et al.
patent: 2005/0280509 (2005-12-01), Tanaka et al.
patent: WO 2004023732 (2004-03-01), None

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