Method and apparatus for managing network traffic using...

Details Method and apparatus for managing network traffic using... Method and apparatus for managing network traffic using...

2006-05-16

2006-05-16

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C370S392000

Reexamination Certificate

active

07047453

ABSTRACT:
Methods, apparatus and systems are directed to managing network traffic using a variable length Cyclical Redundancy Check (CRC) index to hash an address header. The invention copies an address header of a data packet to a CRC generator. A CRC index is determined based, in part, on the address header. A subset of bits is determined from the CRC index based, in part, on a predetermined bit mask. The address header and the data payload are then combined with the subset of bits from the CRC index. The modified data packet is subsequently forwarded over a network. In one embodiment, the invention is implemented on a hardware circuit residing on a traffic device.

REFERENCES:
patent: 6434717 (2002-08-01), Fujii
patent: 6775281 (2004-08-01), Brown
patent: 2004/0100966 (2004-05-01), Allen et al.
patent: 2004/0221221 (2004-11-01), Yoshida et al.
patent: 2005/0147113 (2005-07-01), Brown

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