Invensys Systems, Inc.

Krishan Kumar Dhupar

Alan Andrew Gale

Alan M Foskett

Douglas MacDougall

Richard Coombs

Marie Deconto-Thomas

A fault router method and system for use in a parallel redundant network environment provide additional safeguards over traditional redundant networks. Where multiple connection faults on multiple machines would ordinarily stifle communications between two or more network entities, the fault router passes packets between redundant networks to bypass connection faults. Compatibility and timing improvements allow for the extension of the parallel network environment, and provide for time-synchronized network operation.

Method and apparatus for network fault correction via adaptive fault router

Schemes for synchronizing networked stations using data messages and hardware pulses are described herein. In one embodiment, a method to provide time data from a first processor to at least one second processor may include transmitting a data message from the first processor to the at least one second processor, in which the data message associates a hardware pulse with a future time, and transmitting a hardware pulse from the first processor to the at least one second processor at the future time.

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North Attleboro, MA, United States of America

Krishan Kumar Dhupar