System and method for fault tolerant TCP offload

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header

Reexamination Certificate

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C370S463000, C370S474000

Reexamination Certificate

active

07876761

ABSTRACT:
Systems and methods that provide fault tolerant transmission control protocol (TCP) offloading are provided. In one example, a method that provides fault tolerant TCP offloading is provided. The method may include one or more of the following steps: receiving TCP segment via a TCP offload engine (TOE); calculating a TCP sequence number; writing a receive sequence record based upon at least the calculated TCP sequence number to a TCP sequence update queue in a host; and updating a first host variable with a value from the written receive sequence record.

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Manish Marwah, A System Demonstrating ST-TCP Proceedings of the 2005 IEEE International Conference on Dependable Systems and Networks (DSN 2005), Yokohama, Japan (Jun. 2005).

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