Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2005-10-14
2008-12-30
Beausoliel, Robert (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S028000, C703S023000
Reexamination Certificate
active
07472311
ABSTRACT:
One embodiment of the present invention provides a system that can test an interface between a TCP (Transmission Control Protocol) Offload Engine (TOE) and an OS (Operating System) that has a TCP software stack. Note that the TOE is a specialized integrated circuit which allows TCP-related computations to be offloaded from the processor that executes the OS. During operation, the system receives a request from the OS to perform a TCP-related computation on the TOE, wherein the TCP-related computation is associated with a portion of the TCP software stack. The system then performs the TCP-related computation by executing the portion of the TCP software stack on a processor, which can either be the same as the one that is executing the OS, or it can be a different processor. Note that performing the TCP-related computation on a processor, instead of the TOE, allows the interface between the TOE and the OS to be tested without requiring an actual TOE chip.
REFERENCES:
patent: 7224692 (2007-05-01), Fan
patent: 7324540 (2008-01-01), Vangal et al.
Westrelin et al. “Studying network protocol offload with emulation: approach and preliminary results.” Proceedings of 12th Annual IEEE Symposium on High Performance Interconnects. Aug. 25-27, 2004.
Cheng Eric T.
Chu Hsiao-Keng J.
Tripathi Sunay
Beausoliel Robert
Guyton Philip
Park Vaughan & Fleming LLP
Sun Microsystems Inc.
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