IPsec Protocol Acceleration using Network Processors

R. Lehmann, M. Benz, S. Groβ, and M. Hampel (Germany)


IPSec hardware support, Virtual Private Networks, Net work Processor, high speed networks.


Gigabit networks can not be fully utilized by today's end systems. The processing requirements of next generation network protocols with enabled encryption features will aggravate this situation. To overcome these shortcomings this paper presents an approach and prototype implemen tation for hardware support of IP/IPsec protocols. We out line a hardware/software partitioning, where the data path of the IP/IPsec protocol is accelerated by a network pro cessor. In contrast to other approaches, we reuse existing software protocol stack implementations.

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