Optimization of packet buffer memory utilization
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United States of America Patent
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Aug 27, 2013
Grant Date -
Mar 21, 2013
app pub date -
Nov 16, 2012
filing date -
Apr 13, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A method performed by an I/O unit connected to another I/O unit in a network device. The method includes receiving a packet; segmenting the packet into a group of data blocks; storing the group of data blocks in a data memory; generating data protection information for a data block of the group of data blocks; creating a control block for the data block; storing, in a control memory, a group of data items for the control block, the group of data items including information associated with a location, of the data block, within the data memory and the data protection information for the data block; performing a data integrity check on the data block, using the data protection information, to determine whether the data block contains a data error; and outputting the data block when the data integrity check indicates that the data block does not contain a data error.
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