Electrical computers and digital data processing systems: input/ – Input/output data processing – Input/output command process
Reexamination Certificate
2005-08-26
2010-12-21
Sorrell, Eron J (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Input/output command process
C710S051000, C710S060000, C718S100000, C718S104000, C718S107000, C725S092000, C725S093000, C725S095000
Reexamination Certificate
active
07856512
ABSTRACT:
The invention comprises system and method for offloading a processor tasked with calendar processing of channel status information. The method comprises multiplexing channel status information received from a plurality of physical interfaces; grouping the channels based on bandwidth; comparing current and previous status information of a group of channels in a first memory; sending current channel status to the processor only if the status of any of the channels in the group has changed; and periodically synchronizing channel status information in the first memory to status information in the processor's memory. The system comprises: multiplexer to combine channel status information received from the interfaces and means for grouping, based on bandwidth, the channels; hardware assist engine to send current channel status to the processor only if channel status has changed; and device to synchronize channel status information in the hardware assist engine to status information in the processor's memory.
REFERENCES:
patent: 5485212 (1996-01-01), Frederick
patent: 5844901 (1998-12-01), Holden et al.
patent: 5926481 (1999-07-01), Wang et al.
patent: 6732199 (2004-05-01), Yu et al.
Burns Barry Scott
Hilla Stephen Charles
Marsteiner Timothy
Cisco Technology Inc.
Phan Dean
Sorrell Eron J
Stolowitz Ford Cowger LLP
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