Streamlined packet forwarding using dynamic filters for routing and security in a shared forwarding plane
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United States of America Patent
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Dec 25, 2012
Grant Date -
N/A
app pub date -
Jul 30, 2008
filing date -
May 20, 2008
priority date (Note) -
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Abstract
A network router includes a plurality of interfaces configured to send and receive packets, and a routing component comprising: (i) a routing engine that includes a control unit that executes a routing protocol to maintain routing information specifying routes through a network, and (ii) a forwarding plane configured by the routing engine to select next hops for the packets in accordance with the routing information. The forwarding plane comprises a switch fabric to forward the packets to the interfaces based on the selected next hops. The network router also includes a security plane configured to apply security functions to the packets. The security plane is integrated within the network router to share a streamlined forwarding plane of the routing component.
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