Hardware copy assist for data communication switch
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United States of America Patent
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N/A
Issued Date -
Apr 3, 2003
app pub date -
Nov 12, 2002
filing date -
Jul 30, 1998
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hardware copy assist for a data communication switch copies packets in a number required to meet multicasting needs. Packets are read from a switch queue and a home mark is retained for the packet at the head of the queue to facilitate multiple reads and to prevent premature overwrites. Copying decisions may be made incidental to the retrieval of outbound headers from a linked list of table entries to minimize overhead.
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