Method and apparatus for overflowing data packets to a software-controlled memory when they do not fit into a hardware-controlled memory
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United States of America Patent
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Dec 26, 2006
Issued Date -
N/A
app pub date -
Sep 25, 2001
filing date -
Feb 8, 2000
priority date (Note) -
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Abstract
A system for managing packets incoming to a data router has a local packet memory (LPM) mapped into pre-configured memory units, to store packets for processing, an external packet memory (EPM), a first storage system to store packets in the LPM, and a second storage system to store packets in the EPM. The system is characterized in that the first storage system attempts to store all incoming packets in the LPM, and for those packets that are not compatible with the LPM, relinquishes control to the second system, which stores the LPM-incompatible packets in the EPM.
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