Suspension of Processes in Industrial Control System When an Anomaly Occurs
AssigneeInternational Business Machines Corporation
InventorsTakuya Mishina, John Wilson
Life of this patent
Estimating the term…
Abstract
A method for suspension of processes in an industrial control system includes detecting at least one anomaly in an industrial control system; notifying a controller of the at least one anomaly; accessing a database comprising emergency suspend procedures; sending a stream comprising at least one emergency suspend command through at least one firewall/gateway to at least one downstream zone; and terminating or suspending a process in the at least one zone.
Claims12
A system for suspension of processes in an industrial control system, comprising:
- the industrial control system network comprising at least one first controller and at least one zone, said at least one zone in communication with at least one input/output device;
- a protector comprising at least one firewall;
- and
- a switch in communication with at least one of the at least one first controller, the at least one input/output device, or the at least one firewall,
- wherein the switch comprises an anomaly detector, a second controller, and a database comprising emergency procedures having read-only memory.
(canceled)
A computer program product for suspension of processes in an industrial control system, comprising:
- a non-transitory computer readable storage medium;
- first program instructions to detect at least one anomaly in an industrial control system network via a switch in communication with at least one firewall, wherein the switch comprises an anomaly detector, a controller, and a database comprising emergency procedures in read-only memory;
- second program instructions to notify the controller of the at least one anomaly;
- third program instructions for the controller to access the database comprising emergency procedures in read-only memory;
- fourth program instructions for the controller to send a stream comprising at least one emergency command through at least one firewall to at least one downstream zone;
- and
- fifth program instructions to suspend or terminate a process in the at least one zone,
- wherein said first, second, third, fourth, and fifth program instructions are stored on said non-transitory computer readable storage medium.
(canceled)
Dependencies are inferred from the claim text.