Excavating
Patent
1995-09-28
1997-11-25
Baker, Stephen M.
Excavating
370473, G06F 1110
Patent
active
056919972
ABSTRACT:
A destination station receives from a network a data packet that is transmitted as a plurality of cells and separately encodes each of the received cells, to produce associated, individual c-bit partial CRC remainders, where c is the number of bits in the CRC remainder associated with the packet. These partial CRC remainders correspond to the respective contributions that the cells make to the packet CRC pattern. The encoder appends the partial CRC remainders to the cells, and the station then stores them in an associated memory and links the individual cells to previously stored cells from the same packet with pointers. Once all the cells of a packet are encoded and stored, the destination station retrieves appended partial CRC remainders from the memory, and provides the remainders to a partial CRC encoder. The encoder manipulates the partial remainders and produces a packet CRC remainder. If the CRC packet is error-free, this packet CRC remainder matches the predetermined CRC pattern associated with the CRC code.
REFERENCES:
patent: 5121397 (1992-06-01), Norrod
patent: 5247524 (1993-09-01), Callon
patent: 5528588 (1996-06-01), Bennett et al.
patent: 5541918 (1996-07-01), Ganmukhi et al.
Baker Stephen M.
Cisco Systems Inc.
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