Network processor with multiple multi-threaded packet-type specific engines
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United States of America Patent
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Issued Date -
Dec 25, 2003
app pub date -
Apr 28, 2003
filing date -
Jun 4, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A network processor having multiple processing engines configurable for different types of input packets is disclosed. The processing engines can be classified into different groups where each group is responsible for processing one type of input packets. The network processor includes packet assignment logic that obtains the packet-type of a received packet and assigns the received packet to one of the processing engines within the appropriate group. In one embodiment, the processing engines are structurally similar but they can be programmed to handle different types of packets by microcode. Packets of the same type are processed in parallel by the appropriate processing engine or group of processing engines.
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