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Workflow decision management with intermediate message validation

  • US 7,657,636 B2
  • Filed: 11/01/2005
  • Issued: 02/02/2010
  • Est. Priority Date: 11/01/2005
  • Status: Active Grant
First Claim
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1. A method for workflow decision management, the method comprising:

  • maintaining a device state history;

    identifying a device usage pattern in dependence upon the device state history;

    identifying a workflow scenario in dependence upon the device usage pattern;

    identifying a workflow in dependence upon the workflow scenario;

    executing the workflow including;

    sending, to an intermediate message validation service, a message to be forwarded to a device to administer at least one value of an attribute of the device;

    determining, by the intermediate message validation service, that the message is valid, further comprising;

    determining differences between the structure of a packet of the message and a predefined proper packet structure, wherein the predefined proper packet structure is derived from the Consumer Electronics Bus (‘

    CEBus’

    ) specification, and the predefined proper packet structure includes a Link Protocol Data Unit (‘

    LPDU’

    ), a Network Protocol Data Unit (‘

    NPDU’

    ), and an Application Protocol Data Unit (‘

    APDU’

    );

    determining that differences between the structure of the packet of the message and the predefined proper packet structure do not exceed a threshold similarity requirement, further comprising;

    determining a difference between a length and content of an LPDU, NPDU, and APDU of the packet and a length and content of the LPDU, NPDU, and APDU of the predefined proper packet structure; and

    forwarding, by the intermediate message validation service, the valid message to the device.

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