Invention Grant
US08149713B2 Forwarding of packets based on a filtered forwarding information base 有权
基于过滤的转发信息库转发数据包

Forwarding of packets based on a filtered forwarding information base
Abstract:
A filtered Forwarding Information Base (FIB) (the “complete local FIB”) is used to determine how to forward packets, typically on line cards. The complete local FIB is generated by filtering (i.e., dropping or removing) extraneous entries in the standard global FIB of a router. This smaller FIB is then installed within the memory of a forwarding engine, possibly implemented as a single application-specific integrated circuit (ASIC), for use in determining how to forward packets, with the router forwarding packets accordingly.
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