Electrical computers and digital processing systems: virtual mac – Task management or control – Batch or transaction processing
Reexamination Certificate
2001-06-07
2008-11-18
An, Meng-Ai (Department: 2195)
Electrical computers and digital processing systems: virtual mac
Task management or control
Batch or transaction processing
C718S104000, C714S100000
Reexamination Certificate
active
07454751
ABSTRACT:
Improved methods for providing fault tolerance in a distributed computer system utilize an explicit, delayed acknowledgement message protocol to send an acknowledgement message to a workflow-requesting entity, such as a load manager and/or a requesting client, only upon completion of a workflow. The system includes workflow engines operating as a distributed queue group to load-balance processing requests from clients. The system also has a certified messaging capability that guarantees delivery of any message sent by a certified message sender by maintaining a persistent record of the message until an acknowledgement message is received back from the certified message receiver. In the event a hardware or software failure occurs during a workflow execution, the workflow is reassigned to a different workflow engine. Improved fault-tolerant computers and computer networks are also described.
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Bhat Mahesh
Sun Mingqiu
An Meng-Ai
Intel Corporation
Schwegman Lunberg & Woessner, P.A.
Tang Kenneth
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