Decoupled header and packet processing in IPSEC

Details Decoupled header and packet processing in IPSEC Decoupled header and packet processing in IPSEC

2006-09-08

2010-12-07

Wilson, Robert W (Department: 2475)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C379S242000, C710S316000

Reexamination Certificate

active

07848325

ABSTRACT:
An IPsec processor for performing IPsec processing of traffic packets is disclosed. The IPsec processor comprises a network processing module (500) and a hardware co-processing module (502) coupled to the network processing module (500) via an interface, the co-processing module (500) comprising a policy check processor (525), and a packet transform processor (526). The network processing module (500) is adapted for communicating a part of a packet to the policy check processor (525) via the interface, and if IPsec processing of the packet is required, communicating the packet to the packet transform processor (526) via the interface, and scheduling the IPsec processed said packet, received from the packet transform processor (526) via the interface, for forwarding.

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