Protocol replay system

Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability

Reexamination Certificate

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Details

C714S748000

Reexamination Certificate

active

07428664

ABSTRACT:
An expert protocol analyzer, which records a protocol exchange between two or more hardware devices on a network or software modules in a multiprogramming environment. To validate a potential fix, the protocol is replayed in a simulated network environment, where a replay unit replaces the endpoint that is not available in the lab, or which in the lab operates with a different timing. The replay unit behaves like one of the two original units of the. Individual messages are adjusted for the local network parameters and are sent with precise delay or timing recorded during the original exchange. This allows the user to recreate the failure scenario in the test lab.

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patent: 2002/0004829 (2002-01-01), Yasunami
patent: 2003/0145039 (2003-07-01), Bonney et al.
patent: 2006/0259542 (2006-11-01), Wu et al.

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