Invention Grant
US08223778B2 Routing table architecture 有权
路由表架构

Routing table architecture
Abstract:
A system and method for routing a packet between ports for use in a router having a plurality of ports, including a first and a second port, wherein each port includes a plurality of look-up tables (LUTs) and a look-up table select connected to the LUTs. Routing information is loaded into each of the plurality of LUTs while LUT selection information is loaded in the look-up table select. A packet having a plurality of destination bits is received at the first port and a destination port selected within the router to receive the packet. The destination port is selected by applying two or more of the destination bits to the plurality of LUTs in the first port and selecting an output of the plurality of LUTs as a function of one or more of the destination bits, wherein the selected output indicates the port selected to receive the packet. The packet is then routed to the output of the selected port.
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