H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/56 (2006.01)
Patent
CA 2327564
Packet processing logic includes a request queue for receiving lookup requests from a packet processor, where each request includes information elements from a received packet and indicates that a route lookup and a packet classification are to be performed based on the information elements. Both a route lookup engine (RLE) and a packet classification engine (PCE) have respective inputs coupled to the request queue for receiving selected information elements from the requests. Based on the information elements in each request, the RLE searches for forwarding information indicating how the packet corresponding to the request should be forwarded, and the PCE performs a classification process and generates classification information about the packet corresponding to the request. For each request, the forwarding information from the RLE and the classification information from the PCE are combined into a single result stored in a result queue. Each result is provided to the packet processor in a single communication transaction therewith.
Cherian Sanjay G.
Hebb Andrew T.
Ascend Communications Inc.
Kirby Eades Gale Baker
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