Forwarding plane configuration for separation of services and forwarding in an integrated services router
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United States of America Patent
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Oct 30, 2012
Grant Date -
N/A
app pub date -
Sep 23, 2008
filing date -
Sep 23, 2008
priority date (Note) -
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Abstract
A method may include receiving a packet at an ingress line interface in a forwarding plane of a network element, the packet including header information. The method may also include conducting a flow table lookup in the forwarding plane to identify an existing flow for the packet and determining, in the forwarding plane and based on the header information, whether a predicted flow can be identified for the packet if an existing flow can not be identified. The method may further include performing a service access control list (ACL) lookup in the forwarding plane if a predicted flow can not be identified; and forwarding the packet to one of a services plane or an egress line interface in the forwarding plane based on one of the existing flow, the predicted flow, or the service ACL lookup.
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